31013200102 has 8 divisors (see below), whose sum is σ = 46886098176. Its totient is φ = 15384500712.

The previous prime is 31013200093. The next prime is 31013200103. The reversal of 31013200102 is 20100231013.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013200103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61049353 + ... + 61049860.

It is an arithmetic number, because the mean of its divisors is an integer number (5860762272).

Almost surely, 2^31013200102 is an apocalyptic number.

31013200102 is a deficient number, since it is larger than the sum of its proper divisors (15872898074).

31013200102 is a wasteful number, since it uses less digits than its factorization.

31013200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122099342.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31013200102 its reverse (20100231013), we get a palindrome (51113431115).

The spelling of 31013200102 in words is "thirty-one billion, thirteen million, two hundred thousand, one hundred two".