31130013212313 has 8 divisors (see below), whose sum is σ = 41512226666400. Its totient is φ = 20750570949888.

The previous prime is 31130013212299. The next prime is 31130013212327. The reversal of 31130013212313 is 31321231003113.

It is an interprime number because it is at equal distance from previous prime (31130013212299) and next prime (31130013212327).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31130013212313 - 2⁵ = 31130013212281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31130013212393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692771703 + ... + 692816636.

It is an arithmetic number, because the mean of its divisors is an integer number (5189028333300).

Almost surely, 2^{31130013212313} is an apocalyptic number.

It is an amenable number.

31130013212313 is a deficient number, since it is larger than the sum of its proper divisors (10382213454087).

31130013212313 is a wasteful number, since it uses less digits than its factorization.

31130013212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385595831.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31130013212313 its reverse (31321231003113), we get a palindrome (62451244215426).

The spelling of 31130013212313 in words is "thirty-one trillion, one hundred thirty billion, thirteen million, two hundred twelve thousand, three hundred thirteen".