3131012434397 has 2 divisors, whose sum is σ = 3131012434398. Its totient is φ = 3131012434396.

The previous prime is 3131012434387. The next prime is 3131012434427. The reversal of 3131012434397 is 7934342101313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2844167569156 + 286844865241 = 1686466^2 + 535579^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131012434397 - 2¹⁴ = 3131012418013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131012434327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565506217198 + 1565506217199.

It is an arithmetic number, because the mean of its divisors is an integer number (1565506217199).

Almost surely, 2^{3131012434397} is an apocalyptic number.

It is an amenable number.

3131012434397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131012434397 is an equidigital number, since it uses as much as digits as its factorization.

3131012434397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 3131012434397 in words is "three trillion, one hundred thirty-one billion, twelve million, four hundred thirty-four thousand, three hundred ninety-seven".