202431122132 has 12 divisors (see below), whose sum is σ = 354374286420. Its totient is φ = 101181326016.

The previous prime is 202431122129. The next prime is 202431122161. The reversal of 202431122132 is 231221134202.

It can be written as a sum of positive squares in 2 ways, for example, as 36257491396 + 166173630736 = 190414^2 + 407644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202431122098 and 202431122107.

It is a congruent 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, 8545457 + ... + 8569112.

It is an arithmetic number, because the mean of its divisors is an integer number (29531190535).

Almost surely, 2^202431122132 is an apocalyptic number.

It is an amenable number.

202431122132 is a deficient number, since it is larger than the sum of its proper divisors (151943164288).

202431122132 is a wasteful number, since it uses less digits than its factorization.

202431122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17117530 (or 17117528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 202431122132 its reverse (231221134202), we get a palindrome (433652256334).

The spelling of 202431122132 in words is "two hundred two billion, four hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".