31130110011110 has 128 divisors (see below), whose sum is σ = 69714953510400. Its totient is φ = 9858679326720.

The previous prime is 31130110011097. The next prime is 31130110011137. The reversal of 31130110011110 is 1111001103113.

It is a super-2 number, since 2×31130110011110² (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 (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8660165 + ... + 11715744.

It is an arithmetic number, because the mean of its divisors is an integer number (544648074300).

Almost surely, 2^{31130110011110} is an apocalyptic number.

31130110011110 is an abundant number, since it is smaller than the sum of its proper divisors (38584843499290).

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

31130110011110 is a wasteful number, since it uses less digits than its factorization.

31130110011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20376006.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 31130110011110 its reverse (1111001103113), we get a palindrome (32241111114223).

The spelling of 31130110011110 in words is "thirty-one trillion, one hundred thirty billion, one hundred ten million, eleven thousand, one hundred ten".