323201031131 has 4 divisors (see below), whose sum is σ = 352582943064. Its totient is φ = 293819119200.

The previous prime is 323201031079. The next prime is 323201031173. The reversal of 323201031131 is 131130102323.

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 323201031131 - 2¹⁰ = 323201030107 is a prime.

It is a super-2 number, since 2×323201031131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323201031431) 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, 14690955950 + ... + 14690955971.

It is an arithmetic number, because the mean of its divisors is an integer number (88145735766).

Almost surely, 2^323201031131 is an apocalyptic number.

323201031131 is a deficient number, since it is larger than the sum of its proper divisors (29381911933).

323201031131 is a wasteful number, since it uses less digits than its factorization.

323201031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29381911932.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 323201031131 its reverse (131130102323), we get a palindrome (454331133454).

The spelling of 323201031131 in words is "three hundred twenty-three billion, two hundred one million, thirty-one thousand, one hundred thirty-one".