31130220331319 has 16 divisors (see below), whose sum is σ = 32228372606976. Its totient is φ = 30038068209600.

The previous prime is 31130220331261. The next prime is 31130220331321. The reversal of 31130220331319 is 91313302203113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31130220331319 is a prime.

It is a super-2 number, since 2×31130220331319² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130220331519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13513979 + ... + 15648899.

It is an arithmetic number, because the mean of its divisors is an integer number (2014273287936).

Almost surely, 2^{31130220331319} is an apocalyptic number.

31130220331319 is a deficient number, since it is larger than the sum of its proper divisors (1098152275657).

31130220331319 is a wasteful number, since it uses less digits than its factorization.

31130220331319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136326.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 31130220331319 in words is "thirty-one trillion, one hundred thirty billion, two hundred twenty million, three hundred thirty-one thousand, three hundred nineteen".