13031291931037 has 2 divisors, whose sum is σ = 13031291931038. Its totient is φ = 13031291931036.

The previous prime is 13031291930963. The next prime is 13031291931041. The reversal of 13031291931037 is 73013919213031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12773947772356 + 257344158681 = 3574066^2 + 507291^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031291931037 - 2¹¹ = 13031291928989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031291930984 and 13031291931002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031291932037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515645965518 + 6515645965519.

It is an arithmetic number, because the mean of its divisors is an integer number (6515645965519).

Almost surely, 2^{13031291931037} is an apocalyptic number.

It is an amenable number.

13031291931037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031291931037 is an equidigital number, since it uses as much as digits as its factorization.

13031291931037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 43.

The spelling of 13031291931037 in words is "thirteen trillion, thirty-one billion, two hundred ninety-one million, nine hundred thirty-one thousand, thirty-seven".