31112412311310 has 128 divisors (see below), whose sum is σ = 81926829070848. Its totient is φ = 7499106048000.

The previous prime is 31112412311303. The next prime is 31112412311327. The reversal of 31112412311310 is 1311321421113.

It is a super-2 number, since 2×31112412311310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42010525 + ... + 42744695.

It is an arithmetic number, because the mean of its divisors is an integer number (640053352116).

Almost surely, 2^{31112412311310} is an apocalyptic number.

31112412311310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31112412311310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40963414535424).

31112412311310 is an abundant number, since it is smaller than the sum of its proper divisors (50814416759538).

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

31112412311310 is a wasteful number, since it uses less digits than its factorization.

31112412311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734930.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 31112412311310 its reverse (1311321421113), we get a palindrome (32423733732423).

The spelling of 31112412311310 in words is "thirty-one trillion, one hundred twelve billion, four hundred twelve million, three hundred eleven thousand, three hundred ten".