202131030031002 has 24 divisors (see below), whose sum is σ = 442465519350036. Its totient is φ = 66682401659136.

The previous prime is 202131030030977. The next prime is 202131030031079. The reversal of 202131030031002 is 200130030131202.

202131030031002 is a `hidden beast` number, since 2 + 0 + 21 + 31 + 0 + 300 + 310 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200939725453041 + 1191304577961 = 14175321^2 + 1091469^2 .

It is a super-2 number, since 2×202131030031002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57884027473 + ... + 57884030964.

Almost surely, 2^{202131030031002} is an apocalyptic number.

202131030031002 is an abundant number, since it is smaller than the sum of its proper divisors (240334489319034).

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

202131030031002 is a wasteful number, since it uses less digits than its factorization.

202131030031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115768058542 (or 115768058539 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 202131030031002 its reverse (200130030131202), we get a palindrome (402261060162204).

The spelling of 202131030031002 in words is "two hundred two trillion, one hundred thirty-one billion, thirty million, thirty-one thousand, two".