31842480512737 has 2 divisors, whose sum is σ = 31842480512738. Its totient is φ = 31842480512736.

The previous prime is 31842480512669. The next prime is 31842480512761. The reversal of 31842480512737 is 73721508424813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30419901899776 + 1422578612961 = 5515424^2 + 1192719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31842480512737 is a prime.

It is not a weakly prime, because it can be changed into another prime (31842480519737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15921240256368 + 15921240256369.

It is an arithmetic number, because the mean of its divisors is an integer number (15921240256369).

Almost surely, 2^{31842480512737} is an apocalyptic number.

It is an amenable number.

31842480512737 is a deficient number, since it is larger than the sum of its proper divisors (1).

31842480512737 is an equidigital number, since it uses as much as digits as its factorization.

31842480512737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 31842480512737 in words is "thirty-one trillion, eight hundred forty-two billion, four hundred eighty million, five hundred twelve thousand, seven hundred thirty-seven".