323401131 has 6 divisors (see below), whose sum is σ = 467134980. Its totient is φ = 215600748.

The previous prime is 323401121. The next prime is 323401159. The reversal of 323401131 is 131104323.

It is not a de Polignac number, because 323401131 - 2¹⁵ = 323368363 is a prime.

It is a super-2 number, since 2×323401131² = 209176583064158322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323401121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17966721 + ... + 17966738.

It is an arithmetic number, because the mean of its divisors is an integer number (77855830).

Almost surely, 2^323401131 is an apocalyptic number.

323401131 is a deficient number, since it is larger than the sum of its proper divisors (143733849).

323401131 is a wasteful number, since it uses less digits than its factorization.

323401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933465 (or 35933462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 323401131 is about 17983.3570559003. The cubic root of 323401131 is about 686.4051154830.

Adding to 323401131 its reverse (131104323), we get a palindrome (454505454).

The spelling of 323401131 in words is "three hundred twenty-three million, four hundred one thousand, one hundred thirty-one".