431326952331 has 8 divisors (see below), whose sum is σ = 627384657984. Its totient is φ = 261410274120.

The previous prime is 431326952293. The next prime is 431326952341. The reversal of 431326952331 is 133259623134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431326952331 - 2¹⁷ = 431326821259 is a prime.

It is a super-2 number, since 2×431326952331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431326952341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6535256821 + ... + 6535256886.

It is an arithmetic number, because the mean of its divisors is an integer number (78423082248).

Almost surely, 2^431326952331 is an apocalyptic number.

431326952331 is a deficient number, since it is larger than the sum of its proper divisors (196057705653).

431326952331 is a wasteful number, since it uses less digits than its factorization.

431326952331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13070513721.

The product of its digits is 349920, while the sum is 42.

The spelling of 431326952331 in words is "four hundred thirty-one billion, three hundred twenty-six million, nine hundred fifty-two thousand, three hundred thirty-one".