31223411432213 has 64 divisors (see below), whose sum is σ = 42024756856320. Its totient is φ = 22403558707200.

The previous prime is 31223411432209. The next prime is 31223411432263.

31223411432213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31223411432213 - 2² = 31223411432209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31223411432213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223411432263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2758002593 + ... + 2758013913.

It is an arithmetic number, because the mean of its divisors is an integer number (656636825880).

Almost surely, 2^{31223411432213} is an apocalyptic number.

It is an amenable number.

31223411432213 is a deficient number, since it is larger than the sum of its proper divisors (10801345424107).

31223411432213 is a wasteful number, since it uses less digits than its factorization.

31223411432213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838.

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 3122341 and 1432213, that added together give a palindrome (4554554).

The spelling of 31223411432213 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred eleven million, four hundred thirty-two thousand, two hundred thirteen".