431513465 has 32 divisors (see below), whose sum is σ = 602277120. Its totient is φ = 294395904.

The previous prime is 431513399. The next prime is 431513473. The reversal of 431513465 is 564315134.

It is a cyclic number.

It is not a de Polignac number, because 431513465 - 2⁸ = 431513209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31337 + ... + 42953.

It is an arithmetic number, because the mean of its divisors is an integer number (18821160).

Almost surely, 2^431513465 is an apocalyptic number.

It is an amenable number.

431513465 is a deficient number, since it is larger than the sum of its proper divisors (170763655).

431513465 is a wasteful number, since it uses less digits than its factorization.

431513465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681.

The product of its digits is 21600, while the sum is 32.

The square root of 431513465 is about 20772.9021804850. The cubic root of 431513465 is about 755.6687290302.

Adding to 431513465 its reverse (564315134), we get a palindrome (995828599).

The spelling of 431513465 in words is "four hundred thirty-one million, five hundred thirteen thousand, four hundred sixty-five".