31354642102 has 8 divisors (see below), whose sum is σ = 53750815056. Its totient is φ = 13437703752.

The previous prime is 31354642093. The next prime is 31354642133. The reversal of 31354642102 is 20124645313.

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

It is a super-2 number, since 2×31354642102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1119808633 + ... + 1119808660.

It is an arithmetic number, because the mean of its divisors is an integer number (6718851882).

Almost surely, 2^31354642102 is an apocalyptic number.

31354642102 is a deficient number, since it is larger than the sum of its proper divisors (22396172954).

31354642102 is a wasteful number, since it uses less digits than its factorization.

31354642102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239617302.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 31354642102 in words is "thirty-one billion, three hundred fifty-four million, six hundred forty-two thousand, one hundred two".