3120795131381 has 2 divisors, whose sum is σ = 3120795131382. Its totient is φ = 3120795131380.

The previous prime is 3120795131369. The next prime is 3120795131401. The reversal of 3120795131381 is 1831315970213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3074969166481 + 45825964900 = 1753559^2 + 214070^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120795131381 - 2³⁴ = 3103615262197 is a prime.

It is a super-2 number, since 2×3120795131381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120792131381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560397565690 + 1560397565691.

It is an arithmetic number, because the mean of its divisors is an integer number (1560397565691).

Almost surely, 2^{3120795131381} is an apocalyptic number.

It is an amenable number.

3120795131381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120795131381 is an equidigital number, since it uses as much as digits as its factorization.

3120795131381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 3120795131381 in words is "three trillion, one hundred twenty billion, seven hundred ninety-five million, one hundred thirty-one thousand, three hundred eighty-one".