31020000100319 has 2 divisors, whose sum is σ = 31020000100320. Its totient is φ = 31020000100318.

The previous prime is 31020000100289. The next prime is 31020000100321. The reversal of 31020000100319 is 91300100002013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31020000100319 - 2²⁸ = 31019731664863 is a prime.

It is a super-2 number, since 2×31020000100319² (a number of 28 digits) contains 22 as substring.

Together with 31020000100321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31020000100319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31020000100619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510000050159 + 15510000050160.

It is an arithmetic number, because the mean of its divisors is an integer number (15510000050160).

Almost surely, 2^{31020000100319} is an apocalyptic number.

31020000100319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31020000100319 is an equidigital number, since it uses as much as digits as its factorization.

31020000100319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 31020000100319 in words is "thirty-one trillion, twenty billion, one hundred thousand, three hundred nineteen".