210131202132 has 30 divisors (see below), whose sum is σ = 549324470618. Its totient is φ = 70043733936.

The previous prime is 210131202103. The next prime is 210131202137. The reversal of 210131202132 is 231202131012.

It can be written as a sum of positive squares in only one way, i.e., 151753877136 + 58377324996 = 389556^2 + 241614^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131202137) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 324276223 + ... + 324276870.

Almost surely, 2^210131202132 is an apocalyptic number.

It is an amenable number.

210131202132 is an abundant number, since it is smaller than the sum of its proper divisors (339193268486).

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

210131202132 is a wasteful number, since it uses less digits than its factorization.

210131202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648553109 (or 648553098 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 210131202132 its reverse (231202131012), we get a palindrome (441333333144).

The spelling of 210131202132 in words is "two hundred ten billion, one hundred thirty-one million, two hundred two thousand, one hundred thirty-two".