31020010102 has 8 divisors (see below), whose sum is σ = 46611505512. Its totient is φ = 15482841600.

The previous prime is 31020010079. The next prime is 31020010111. The reversal of 31020010102 is 20101002013.

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

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, 13580299 + ... + 13582582.

It is an arithmetic number, because the mean of its divisors is an integer number (5826438189).

Almost surely, 2^31020010102 is an apocalyptic number.

31020010102 is a deficient number, since it is larger than the sum of its proper divisors (15591495410).

31020010102 is a wasteful number, since it uses less digits than its factorization.

31020010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27163454.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 31020010102 its reverse (20101002013), we get a palindrome (51121012115).

The spelling of 31020010102 in words is "thirty-one billion, twenty million, ten thousand, one hundred two".