31102423402 has 8 divisors (see below), whose sum is σ = 46680163200. Its totient is φ = 15542369004.

The previous prime is 31102423397. The next prime is 31102423427. The reversal of 31102423402 is 20432420113.

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, 4416952 + ... + 4423987.

It is an arithmetic number, because the mean of its divisors is an integer number (5835020400).

Almost surely, 2^31102423402 is an apocalyptic number.

31102423402 is a deficient number, since it is larger than the sum of its proper divisors (15577739798).

31102423402 is a wasteful number, since it uses less digits than its factorization.

31102423402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842700.

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

Adding to 31102423402 its reverse (20432420113), we get a palindrome (51534843515).

The spelling of 31102423402 in words is "thirty-one billion, one hundred two million, four hundred twenty-three thousand, four hundred two".