431255630 has 32 divisors (see below), whose sum is σ = 856372608. Its totient is φ = 155347200.

The previous prime is 431255621. The next prime is 431255651. The reversal of 431255630 is 36552134.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 431255593 and 431255602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35126 + ... + 45785.

It is an arithmetic number, because the mean of its divisors is an integer number (26761644).

Almost surely, 2^431255630 is an apocalyptic number.

431255630 is a deficient number, since it is larger than the sum of its proper divisors (425116978).

431255630 is a wasteful number, since it uses less digits than its factorization.

431255630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80972.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 431255630 is about 20766.6952113233. The cubic root of 431255630 is about 755.5181916917.

The spelling of 431255630 in words is "four hundred thirty-one million, two hundred fifty-five thousand, six hundred thirty".