31839796601 has 4 divisors (see below), whose sum is σ = 32001420132. Its totient is φ = 31678173072.

The previous prime is 31839796579. The next prime is 31839796643. The reversal of 31839796601 is 10669793813.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21456390400 + 10383406201 = 146480^2 + 101899^2 .

It is a cyclic number.

It is not a de Polignac number, because 31839796601 - 2²² = 31835602297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31839796501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80811470 + ... + 80811863.

It is an arithmetic number, because the mean of its divisors is an integer number (8000355033).

Almost surely, 2^31839796601 is an apocalyptic number.

It is an amenable number.

31839796601 is a deficient number, since it is larger than the sum of its proper divisors (161623531).

31839796601 is a wasteful number, since it uses less digits than its factorization.

31839796601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161623530.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 31839796601 in words is "thirty-one billion, eight hundred thirty-nine million, seven hundred ninety-six thousand, six hundred one".