31401140430017 has 2 divisors, whose sum is σ = 31401140430018. Its totient is φ = 31401140430016.

The previous prime is 31401140430007. The next prime is 31401140430059. The reversal of 31401140430017 is 71003404110413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21900191095696 + 9500949334321 = 4679764^2 + 3082361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31401140430017 is a prime.

It is not a weakly prime, because it can be changed into another prime (31401140430007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700570215008 + 15700570215009.

It is an arithmetic number, because the mean of its divisors is an integer number (15700570215009).

Almost surely, 2^{31401140430017} is an apocalyptic number.

It is an amenable number.

31401140430017 is a deficient number, since it is larger than the sum of its proper divisors (1).

31401140430017 is an equidigital number, since it uses as much as digits as its factorization.

31401140430017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 31401140430017 in words is "thirty-one trillion, four hundred one billion, one hundred forty million, four hundred thirty thousand, seventeen".