Search a number
-
+
1312231332310 = 25131223133231
BaseRepresentation
bin10011000110000111000…
…101010001100111010110
311122110002122202111211221
4103012013011101213112
5132444422210113220
62442455235320554
7163543213200343
oct23060705214726
94573078674757
101312231332310
11466572417198
1219239b75015a
1396987166792
1447725bc37ca
1524202b3d9aa
hex131871519d6

1312231332310 has 8 divisors (see below), whose sum is σ = 2362016398176. Its totient is φ = 524892532920.

The previous prime is 1312231332281. The next prime is 1312231332319. The reversal of 1312231332310 is 132331322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13122313323102 (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 (1312231332319) 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 3 ways as a sum of consecutive naturals, for example, 65611566606 + ... + 65611566625.

It is an arithmetic number, because the mean of its divisors is an integer number (295252049772).

Almost surely, 21312231332310 is an apocalyptic number.

1312231332310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312231332310 is a deficient number, since it is larger than the sum of its proper divisors (1049785065866).

1312231332310 is a wasteful number, since it uses less digits than its factorization.

1312231332310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131223133238.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1312231332310 its reverse (132331322131), we get a palindrome (1444562654441).

The spelling of 1312231332310 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 5 10 131223133231 262446266462 656115666155 1312231332310