431213130 has 24 divisors (see below), whose sum is σ = 1121154372. Its totient is φ = 114990144.

The previous prime is 431213129. The next prime is 431213147. The reversal of 431213130 is 31312134.

It can be written as a sum of positive squares in 2 ways, for example, as 423906921 + 7306209 = 20589^2 + 2703^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2395539 + ... + 2395718.

Almost surely, 2^431213130 is an apocalyptic number.

431213130 is an abundant number, since it is smaller than the sum of its proper divisors (689941242).

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

431213130 is a wasteful number, since it uses less digits than its factorization.

431213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791270 (or 4791267 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 431213130 is about 20765.6719130396. The cubic root of 431213130 is about 755.4933722452.

Adding to 431213130 its reverse (31312134), we get a palindrome (462525264).

The spelling of 431213130 in words is "four hundred thirty-one million, two hundred thirteen thousand, one hundred thirty".