431446313 has 8 divisors (see below), whose sum is σ = 445602816. Its totient is φ = 417304800.

The previous prime is 431446303. The next prime is 431446343. The reversal of 431446313 is 313644134.

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

It is a cyclic number.

It is not a de Polignac number, because 431446313 - 2²⁸ = 163010857 is a prime.

It is a super-2 number, since 2×431446313² = 372291842002587938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431446303) 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, 110645 + ... + 114477.

It is an arithmetic number, because the mean of its divisors is an integer number (55700352).

Almost surely, 2^431446313 is an apocalyptic number.

It is an amenable number.

431446313 is a deficient number, since it is larger than the sum of its proper divisors (14156503).

431446313 is a wasteful number, since it uses less digits than its factorization.

431446313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495.

The product of its digits is 10368, while the sum is 29.

The square root of 431446313 is about 20771.2857810969. The cubic root of 431446313 is about 755.6295280140.

The spelling of 431446313 in words is "four hundred thirty-one million, four hundred forty-six thousand, three hundred thirteen".