100431430402 has 16 divisors (see below), whose sum is σ = 158582368800. Its totient is φ = 47570855040.

The previous prime is 100431430399. The next prime is 100431430427. The reversal of 100431430402 is 204034134001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431049 + ... + 1499587.

It is an arithmetic number, because the mean of its divisors is an integer number (9911398050).

Almost surely, 2^100431430402 is an apocalyptic number.

100431430402 is a deficient number, since it is larger than the sum of its proper divisors (58150938398).

100431430402 is a wasteful number, since it uses less digits than its factorization.

100431430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107121.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 100431430402 its reverse (204034134001), we get a palindrome (304465564403).

The spelling of 100431430402 in words is "one hundred billion, four hundred thirty-one million, four hundred thirty thousand, four hundred two".