202131000202 has 4 divisors (see below), whose sum is σ = 303196500306. Its totient is φ = 101065500100.

The previous prime is 202131000199. The next prime is 202131000289. The reversal of 202131000202 is 202000131202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192649888561 + 9481111641 = 438919^2 + 97371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50532750049 + ... + 50532750052.

Almost surely, 2^202131000202 is an apocalyptic number.

202131000202 is a deficient number, since it is larger than the sum of its proper divisors (101065500104).

202131000202 is a wasteful number, since it uses less digits than its factorization.

202131000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101065500103.

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

Adding to 202131000202 its reverse (202000131202), we get a palindrome (404131131404).

It can be divided in two parts, 202131000 and 202, that added together give a palindrome (202131202).

The spelling of 202131000202 in words is "two hundred two billion, one hundred thirty-one million, two hundred two", and thus it is an aban number.