131023012973 has 2 divisors, whose sum is σ = 131023012974. Its totient is φ = 131023012972.

The previous prime is 131023012949. The next prime is 131023013059. The reversal of 131023012973 is 379210320131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75131906404 + 55891106569 = 274102^2 + 236413^2 .

It is a cyclic number.

It is not a de Polignac number, because 131023012973 - 2¹⁶ = 131022947437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131023012073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511506486 + 65511506487.

It is an arithmetic number, because the mean of its divisors is an integer number (65511506487).

Almost surely, 2^131023012973 is an apocalyptic number.

It is an amenable number.

131023012973 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023012973 is an equidigital number, since it uses as much as digits as its factorization.

131023012973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 131023012973 in words is "one hundred thirty-one billion, twenty-three million, twelve thousand, nine hundred seventy-three".