131312311110 has 64 divisors (see below), whose sum is σ = 350207040960. Its totient is φ = 35012528640.

The previous prime is 131312311061. The next prime is 131312311129. The reversal of 131312311110 is 11113213131.

131312311110 is a `hidden beast` number, since 1 + 31 + 312 + 311 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2815380 + ... + 2861640.

It is an arithmetic number, because the mean of its divisors is an integer number (5471985015).

Almost surely, 2^131312311110 is an apocalyptic number.

131312311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131312311110 is an abundant number, since it is smaller than the sum of its proper divisors (218894729850).

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

131312311110 is a wasteful number, since it uses less digits than its factorization.

131312311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56790 (or 56784 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 131312311110 its reverse (11113213131), we get a palindrome (142425524241).

The spelling of 131312311110 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred eleven thousand, one hundred ten".