431313630 has 64 divisors (see below), whose sum is σ = 1195699968. Its totient is φ = 98408960.

The previous prime is 431313601. The next prime is 431313637. The reversal of 431313630 is 36313134.

It is a self number, because there is not a number n which added to its sum of digits gives 431313630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431313637) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 32832 + ... + 44051.

It is an arithmetic number, because the mean of its divisors is an integer number (18682812).

Almost surely, 2^431313630 is an apocalyptic number.

431313630 is an abundant number, since it is smaller than the sum of its proper divisors (764386338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431313630 is a wasteful number, since it uses less digits than its factorization.

431313630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76921.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 431313630 is about 20768.0916311538. The cubic root of 431313630 is about 755.5520603052.

Adding to 431313630 its reverse (36313134), we get a palindrome (467626764).

The spelling of 431313630 in words is "four hundred thirty-one million, three hundred thirteen thousand, six hundred thirty".