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1331243140310 = 251249221348163
BaseRepresentation
bin10011010111110100010…
…001100100010011010110
311201021011121211102111222
4103113310101210103112
5133302341220442220
62455321544330342
7165115305663116
oct23276421442326
94637147742458
101331243140310
11473639057a06
121960067739b2
13986c6ba9a05
144860ab53046
1524966c5be25
hex135f44644d6

1331243140310 has 32 divisors (see below), whose sum is σ = 2399289660000. Its totient is φ = 531819445248.

The previous prime is 1331243140237. The next prime is 1331243140399. The reversal of 1331243140310 is 130413421331.

It is a super-2 number, since 2×13312431403102 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331243140310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27616289 + ... + 27664451.

It is an arithmetic number, because the mean of its divisors is an integer number (74977801875).

Almost surely, 21331243140310 is an apocalyptic number.

1331243140310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331243140310 is a deficient number, since it is larger than the sum of its proper divisors (1068046519690).

1331243140310 is a wasteful number, since it uses less digits than its factorization.

1331243140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51632.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1331243140310 its reverse (130413421331), we get a palindrome (1461656561641).

The spelling of 1331243140310 in words is "one trillion, three hundred thirty-one billion, two hundred forty-three million, one hundred forty thousand, three hundred ten".

Divisors: 1 2 5 10 1249 2213 2498 4426 6245 11065 12490 22130 48163 96326 240815 481630 2764037 5528074 13820185 27640370 60155587 106584719 120311174 213169438 300777935 532923595 601555870 1065847190 133124314031 266248628062 665621570155 1331243140310