12311321101310 has 128 divisors (see below), whose sum is σ = 29102317977600. Its totient is φ = 3632874261120.

The previous prime is 12311321101309. The next prime is 12311321101327. The reversal of 12311321101310 is 1310112311321.

It is a super-2 number, since 2×12311321101310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21412571 + ... + 21980009.

It is an arithmetic number, because the mean of its divisors is an integer number (227361859200).

Almost surely, 2^{12311321101310} is an apocalyptic number.

12311321101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311321101310 is an abundant number, since it is smaller than the sum of its proper divisors (16790996876290).

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

12311321101310 is a wasteful number, since it uses less digits than its factorization.

12311321101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568966.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12311321101310 its reverse (1310112311321), we get a palindrome (13621433412631).

The spelling of 12311321101310 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-one million, one hundred one thousand, three hundred ten".