130023431402 has 8 divisors (see below), whose sum is σ = 195074380836. Its totient is φ = 64998637792.

The previous prime is 130023431383. The next prime is 130023431411. The reversal of 130023431402 is 204134320031.

It can be written as a sum of positive squares in 2 ways, for example, as 127071573841 + 2951857561 = 356471^2 + 54331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526523 + ... + 6546414.

Almost surely, 2^130023431402 is an apocalyptic number.

130023431402 is a deficient number, since it is larger than the sum of its proper divisors (65050949434).

130023431402 is a wasteful number, since it uses less digits than its factorization.

130023431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13077912.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 130023431402 its reverse (204134320031), we get a palindrome (334157751433).

The spelling of 130023431402 in words is "one hundred thirty billion, twenty-three million, four hundred thirty-one thousand, four hundred two".