323111112131 has 4 divisors (see below), whose sum is σ = 333534051264. Its totient is φ = 312688173000.

The previous prime is 323111112091. The next prime is 323111112197. The reversal of 323111112131 is 131211111323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323111112131 - 2⁶ = 323111112067 is a prime.

It is a super-2 number, since 2×323111112131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323111112031) 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, 5211469520 + ... + 5211469581.

It is an arithmetic number, because the mean of its divisors is an integer number (83383512816).

Almost surely, 2^323111112131 is an apocalyptic number.

323111112131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

323111112131 is a deficient number, since it is larger than the sum of its proper divisors (10422939133).

323111112131 is a wasteful number, since it uses less digits than its factorization.

323111112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422939132.

The product of its digits is 108, while the sum is 20.

Adding to 323111112131 its reverse (131211111323), we get a palindrome (454322223454).

The spelling of 323111112131 in words is "three hundred twenty-three billion, one hundred eleven million, one hundred twelve thousand, one hundred thirty-one".