31201204002 has 16 divisors (see below), whose sum is σ = 62974908480. Its totient is φ = 10304984592.

The previous prime is 31201203983. The next prime is 31201204003. The reversal of 31201204002 is 20040210213.

It is not an unprimeable number, because it can be changed into a prime (31201204003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23853478 + ... + 23854785.

It is an arithmetic number, because the mean of its divisors is an integer number (3935931780).

Almost surely, 2^31201204002 is an apocalyptic number.

31201204002 is an abundant number, since it is smaller than the sum of its proper divisors (31773704478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31201204002 is a wasteful number, since it uses less digits than its factorization.

31201204002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47708377.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 31201204002 its reverse (20040210213), we get a palindrome (51241414215).

The spelling of 31201204002 in words is "thirty-one billion, two hundred one million, two hundred four thousand, two".