31013032201 has 4 divisors (see below), whose sum is σ = 31734265552. Its totient is φ = 30291798852.

The previous prime is 31013032181. The next prime is 31013032213. The reversal of 31013032201 is 10223031013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31013032201 - 2⁹ = 31013031689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013032301) 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, 360616611 + ... + 360616696.

It is an arithmetic number, because the mean of its divisors is an integer number (7933566388).

Almost surely, 2^31013032201 is an apocalyptic number.

It is an amenable number.

31013032201 is a deficient number, since it is larger than the sum of its proper divisors (721233351).

31013032201 is an equidigital number, since it uses as much as digits as its factorization.

31013032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721233350.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31013032201 its reverse (10223031013), we get a palindrome (41236063214).

The spelling of 31013032201 in words is "thirty-one billion, thirteen million, thirty-two thousand, two hundred one".