202132424431 has 12 divisors (see below), whose sum is σ = 235616485008. Its totient is φ = 172900580832.

The previous prime is 202132424413. The next prime is 202132424447. The reversal of 202132424431 is 134424231202.

It is not a de Polignac number, because 202132424431 - 2⁷ = 202132424303 is a prime.

It is a super-2 number, since 2×202132424431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202132424431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132424401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4211406 + ... + 4259131.

It is an arithmetic number, because the mean of its divisors is an integer number (19634707084).

Almost surely, 2^202132424431 is an apocalyptic number.

202132424431 is a deficient number, since it is larger than the sum of its proper divisors (33484060577).

202132424431 is an equidigital number, since it uses as much as digits as its factorization.

202132424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471038 (or 8471031 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202132424431 its reverse (134424231202), we get a palindrome (336556655633).

The spelling of 202132424431 in words is "two hundred two billion, one hundred thirty-two million, four hundred twenty-four thousand, four hundred thirty-one".