323012222131 has 4 divisors (see below), whose sum is σ = 333431971264. Its totient is φ = 312592473000.

The previous prime is 323012222087. The next prime is 323012222161. The reversal of 323012222131 is 131222210323.

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 323012222131 - 2¹⁵ = 323012189363 is a prime.

It is a super-2 number, since 2×323012222131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323012222161) 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, 5209874520 + ... + 5209874581.

It is an arithmetic number, because the mean of its divisors is an integer number (83357992816).

Almost surely, 2^323012222131 is an apocalyptic number.

323012222131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

323012222131 is a deficient number, since it is larger than the sum of its proper divisors (10419749133).

323012222131 is a wasteful number, since it uses less digits than its factorization.

323012222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419749132.

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

Adding to 323012222131 its reverse (131222210323), we get a palindrome (454234432454).

The spelling of 323012222131 in words is "three hundred twenty-three billion, twelve million, two hundred twenty-two thousand, one hundred thirty-one".