431513464 has 8 divisors (see below), whose sum is σ = 809087760. Its totient is φ = 215756728.

The previous prime is 431513399. The next prime is 431513473. The reversal of 431513464 is 464315134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×431513464² = 372407739226558592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26969584 + ... + 26969599.

It is an arithmetic number, because the mean of its divisors is an integer number (101135970).

Almost surely, 2^431513464 is an apocalyptic number.

It is an amenable number.

431513464 is a deficient number, since it is larger than the sum of its proper divisors (377574296).

431513464 is a wasteful number, since it uses less digits than its factorization.

431513464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53939189 (or 53939185 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 431513464 is about 20772.9021564152. The cubic root of 431513464 is about 755.6687284465.

Adding to 431513464 its reverse (464315134), we get a palindrome (895828598).

The spelling of 431513464 in words is "four hundred thirty-one million, five hundred thirteen thousand, four hundred sixty-four".