431401130232 has 32 divisors (see below), whose sum is σ = 1103584289280. Its totient is φ = 140456181600.

The previous prime is 431401130129. The next prime is 431401130239. The reversal of 431401130232 is 232031104134.

It is a happy number.

It is a super-2 number, since 2×431401130232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401130239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209011144 + ... + 209013207.

It is an arithmetic number, because the mean of its divisors is an integer number (34487009040).

Almost surely, 2^431401130232 is an apocalyptic number.

It is an amenable number.

431401130232 is an abundant number, since it is smaller than the sum of its proper divisors (672183159048).

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

431401130232 is a wasteful number, since it uses less digits than its factorization.

431401130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418024403 (or 418024399 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 431401130232 its reverse (232031104134), we get a palindrome (663432234366).

The spelling of 431401130232 in words is "four hundred thirty-one billion, four hundred one million, one hundred thirty thousand, two hundred thirty-two".