323131233032311 has 16 divisors (see below), whose sum is σ = 368759534752800. Its totient is φ = 280439349836800.

The previous prime is 323131233032299. The next prime is 323131233032347. The reversal of 323131233032311 is 113230332131323.

It is a happy number.

It is not a de Polignac number, because 323131233032311 - 2³¹ = 323129085548663 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 (323131233032381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690705170 + ... + 5690761951.

It is an arithmetic number, because the mean of its divisors is an integer number (23047470922050).

Almost surely, 2^{323131233032311} is an apocalyptic number.

323131233032311 is a deficient number, since it is larger than the sum of its proper divisors (45628301720489).

323131233032311 is a wasteful number, since it uses less digits than its factorization.

323131233032311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381467250.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 323131233032311 its reverse (113230332131323), we get a palindrome (436361565163634).

The spelling of 323131233032311 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, two hundred thirty-three million, thirty-two thousand, three hundred eleven".