31359713401 has 2 divisors, whose sum is σ = 31359713402. Its totient is φ = 31359713400.

The previous prime is 31359713327. The next prime is 31359713417. The reversal of 31359713401 is 10431795313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19835905600 + 11523807801 = 140840^2 + 107349^2 .

It is a cyclic number.

It is not a de Polignac number, because 31359713401 - 2²³ = 31351324793 is a prime.

It is not a weakly prime, because it can be changed into another prime (31359713431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15679856700 + 15679856701.

It is an arithmetic number, because the mean of its divisors is an integer number (15679856701).

Almost surely, 2^31359713401 is an apocalyptic number.

It is an amenable number.

31359713401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31359713401 is an equidigital number, since it uses as much as digits as its factorization.

31359713401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 31359713401 in words is "thirty-one billion, three hundred fifty-nine million, seven hundred thirteen thousand, four hundred one".