31020002100202 has 8 divisors (see below), whose sum is σ = 46981750754016. Its totient is φ = 15359418515532.

The previous prime is 31020002100149. The next prime is 31020002100221. The reversal of 31020002100202 is 20200120002013.

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, 75291267028 + ... + 75291267439.

It is an arithmetic number, because the mean of its divisors is an integer number (5872718844252).

Almost surely, 2^{31020002100202} is an apocalyptic number.

31020002100202 is a deficient number, since it is larger than the sum of its proper divisors (15961748653814).

31020002100202 is a wasteful number, since it uses less digits than its factorization.

31020002100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150582534572.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 31020002100202 its reverse (20200120002013), we get a palindrome (51220122102215).

The spelling of 31020002100202 in words is "thirty-one trillion, twenty billion, two million, one hundred thousand, two hundred two".