131031031000789 has 2 divisors, whose sum is σ = 131031031000790. Its totient is φ = 131031031000788.

The previous prime is 131031031000733. The next prime is 131031031000799. The reversal of 131031031000789 is 987000130130131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97959813426225 + 33071217574564 = 9897465^2 + 5750758^2 .

It is a cyclic number.

It is not a de Polignac number, because 131031031000789 - 2³¹ = 131028883517141 is a prime.

It is a super-4 number, since 4×131031031000789⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131031031000799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515515500394 + 65515515500395.

It is an arithmetic number, because the mean of its divisors is an integer number (65515515500395).

Almost surely, 2^{131031031000789} is an apocalyptic number.

It is an amenable number.

131031031000789 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031031000789 is an equidigital number, since it uses as much as digits as its factorization.

131031031000789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 131031031000789 in words is "one hundred thirty-one trillion, thirty-one billion, thirty-one million, seven hundred eighty-nine", and thus it is an aban number.