31113211231113 has 64 divisors (see below), whose sum is σ = 47602010776320. Its totient is φ = 17900873625600.

The previous prime is 31113211231087. The next prime is 31113211231139.

31113211231113 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (31113211231087) and next prime (31113211231139).

It is not a de Polignac number, because 31113211231113 - 2⁶ = 31113211231049 is a prime.

It is a super-2 number, since 2×31113211231113² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31113211231153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152670781 + ... + 152874437.

It is an arithmetic number, because the mean of its divisors is an integer number (743781418380).

Almost surely, 2^{31113211231113} is an apocalyptic number.

31113211231113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31113211231113 is a deficient number, since it is larger than the sum of its proper divisors (16488799545207).

31113211231113 is a wasteful number, since it uses less digits than its factorization.

31113211231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206378.

The product of its digits is 324, while the sum is 24.

It can be divided in two parts, 3111321 and 1231113, that added together give a palindrome (4342434).

The spelling of 31113211231113 in words is "thirty-one trillion, one hundred thirteen billion, two hundred eleven million, two hundred thirty-one thousand, one hundred thirteen".