202131232130 has 8 divisors (see below), whose sum is σ = 363836217852. Its totient is φ = 80852492848.

The previous prime is 202131232103. The next prime is 202131232153. The reversal of 202131232130 is 31232131202.

It can be written as a sum of positive squares in 2 ways, for example, as 163582229209 + 38549002921 = 404453^2 + 196339^2 .

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

It is a Curzon number.

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, 10106561597 + ... + 10106561616.

Almost surely, 2^202131232130 is an apocalyptic number.

202131232130 is a deficient number, since it is larger than the sum of its proper divisors (161704985722).

202131232130 is a wasteful number, since it uses less digits than its factorization.

202131232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213123220.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202131232130 its reverse (31232131202), we get a palindrome (233363363332).

The spelling of 202131232130 in words is "two hundred two billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".