31432541532313 has 2 divisors, whose sum is σ = 31432541532314. Its totient is φ = 31432541532312.

The previous prime is 31432541532307. The next prime is 31432541532407. The reversal of 31432541532313 is 31323514523413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26241307381129 + 5191234151184 = 5122627^2 + 2278428^2 .

It is a cyclic number.

It is not a de Polignac number, because 31432541532313 - 2²¹ = 31432539435161 is a prime.

It is not a weakly prime, because it can be changed into another prime (31432541532113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15716270766156 + 15716270766157.

It is an arithmetic number, because the mean of its divisors is an integer number (15716270766157).

Almost surely, 2^{31432541532313} is an apocalyptic number.

It is an amenable number.

31432541532313 is a deficient number, since it is larger than the sum of its proper divisors (1).

31432541532313 is an equidigital number, since it uses as much as digits as its factorization.

31432541532313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 40.

The spelling of 31432541532313 in words is "thirty-one trillion, four hundred thirty-two billion, five hundred forty-one million, five hundred thirty-two thousand, three hundred thirteen".