431134401402 has 48 divisors (see below), whose sum is σ = 976149914688. Its totient is φ = 137264117760.

The previous prime is 431134401389. The next prime is 431134401409. The reversal of 431134401402 is 204104431134.

431134401402 is a `hidden beast` number, since 4 + 311 + 344 + 0 + 1 + 4 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (431134401409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467463 + ... + 1039610.

It is an arithmetic number, because the mean of its divisors is an integer number (20336456556).

Almost surely, 2^431134401402 is an apocalyptic number.

431134401402 is an abundant number, since it is smaller than the sum of its proper divisors (545015513286).

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

431134401402 is a wasteful number, since it uses less digits than its factorization.

431134401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507795 (or 1507792 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 431134401402 its reverse (204104431134), we get a palindrome (635238832536).

The spelling of 431134401402 in words is "four hundred thirty-one billion, one hundred thirty-four million, four hundred one thousand, four hundred two".