431342031402 has 24 divisors (see below), whose sum is σ = 944209192836. Its totient is φ = 142298401536.

The previous prime is 431342031383. The next prime is 431342031427. The reversal of 431342031402 is 204130243134.

431342031402 is a `hidden beast` number, since 4 + 3 + 1 + 342 + 0 + 314 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 424437917121 + 6904114281 = 651489^2 + 83091^2 .

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, 123521173 + ... + 123524664.

Almost surely, 2^431342031402 is an apocalyptic number.

431342031402 is an abundant number, since it is smaller than the sum of its proper divisors (512867161434).

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

431342031402 is a wasteful number, since it uses less digits than its factorization.

431342031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247045942 (or 247045939 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 431342031402 its reverse (204130243134), we get a palindrome (635472274536).

The spelling of 431342031402 in words is "four hundred thirty-one billion, three hundred forty-two million, thirty-one thousand, four hundred two".