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1203131213310 = 235134904362903
BaseRepresentation
bin10001100000100000001…
…101010110010111111110
311021000111021122020010210
4101200200031112113332
5124203003042311220
62320413313213250
7152631466401555
oct21404015262776
94230437566123
101203131213310
11424277227a94
12175212261226
13895bb221050
1442336328d9c
1521469a4c6e0
hex118203565fe

1203131213310 has 64 divisors (see below), whose sum is σ = 3109744286208. Its totient is φ = 296144628864.

The previous prime is 1203131213267. The next prime is 1203131213311. The reversal of 1203131213310 is 133121313021.

It is a happy number.

It is a super-2 number, since 2×12031312133102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203131213311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19095319 + ... + 19158221.

It is an arithmetic number, because the mean of its divisors is an integer number (48589754472).

Almost surely, 21203131213310 is an apocalyptic number.

1203131213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203131213310 is an abundant number, since it is smaller than the sum of its proper divisors (1906613072898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203131213310 is a wasteful number, since it uses less digits than its factorization.

1203131213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111969.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1203131213310 its reverse (133121313021), we get a palindrome (1336252526331).

The spelling of 1203131213310 in words is "one trillion, two hundred three billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 49043 62903 98086 125806 147129 188709 245215 294258 314515 377418 490430 629030 637559 735645 817739 943545 1275118 1471290 1635478 1887090 1912677 2453217 3187795 3825354 4088695 4906434 6375590 8177390 9563385 12266085 19126770 24532170 3084951829 6169903658 9254855487 15424759145 18509710974 30849518290 40104373777 46274277435 80208747554 92548554870 120313121331 200521868885 240626242662 401043737770 601565606655 1203131213310