2031122320213 has 32 divisors (see below), whose sum is σ = 2410925564160. Its totient is φ = 1674222359040.

The previous prime is 2031122320177. The next prime is 2031122320223. The reversal of 2031122320213 is 3120232211302.

It is not a de Polignac number, because 2031122320213 - 2²¹ = 2031120223061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031122320223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55670145 + ... + 55706617.

It is an arithmetic number, because the mean of its divisors is an integer number (75341423880).

Almost surely, 2^{2031122320213} is an apocalyptic number.

It is an amenable number.

2031122320213 is a deficient number, since it is larger than the sum of its proper divisors (379803243947).

2031122320213 is a wasteful number, since it uses less digits than its factorization.

2031122320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37597.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2031122320213 its reverse (3120232211302), we get a palindrome (5151354531515).

The spelling of 2031122320213 in words is "two trillion, thirty-one billion, one hundred twenty-two million, three hundred twenty thousand, two hundred thirteen".