31213302001 has 16 divisors (see below), whose sum is σ = 37584728064. Its totient is φ = 25342560144.

The previous prime is 31213301983. The next prime is 31213302007. The reversal of 31213302001 is 10020331213.

It is a cyclic number.

It is not a de Polignac number, because 31213302001 - 2¹⁵ = 31213269233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31213302007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924541 + ... + 957706.

It is an arithmetic number, because the mean of its divisors is an integer number (2349045504).

Almost surely, 2^31213302001 is an apocalyptic number.

It is an amenable number.

31213302001 is a deficient number, since it is larger than the sum of its proper divisors (6371426063).

31213302001 is a wasteful number, since it uses less digits than its factorization.

31213302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882380.

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

Adding to 31213302001 its reverse (10020331213), we get a palindrome (41233633214).

The spelling of 31213302001 in words is "thirty-one billion, two hundred thirteen million, three hundred two thousand, one".