31120130302319 has 2 divisors, whose sum is σ = 31120130302320. Its totient is φ = 31120130302318.

The previous prime is 31120130302297. The next prime is 31120130302337. The reversal of 31120130302319 is 91320303102113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31120130302319 - 2²⁰ = 31120129253743 is a prime.

It is a super-2 number, since 2×31120130302319² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31120130302291 and 31120130302300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31120130302619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560065151159 + 15560065151160.

It is an arithmetic number, because the mean of its divisors is an integer number (15560065151160).

Almost surely, 2^{31120130302319} is an apocalyptic number.

31120130302319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31120130302319 is an equidigital number, since it uses as much as digits as its factorization.

31120130302319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 31120130302319 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, three hundred two thousand, three hundred nineteen".