202421132031 has 16 divisors (see below), whose sum is σ = 271596850560. Its totient is φ = 134097233760.

The previous prime is 202421131931. The next prime is 202421132033. The reversal of 202421132031 is 130231124202.

It is not a de Polignac number, because 202421132031 - 2¹⁰ = 202421131007 is a prime.

It is a super-2 number, since 2×202421132031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202421131989 and 202421132007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421132033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901200 + ... + 1103178.

It is an arithmetic number, because the mean of its divisors is an integer number (16974803160).

Almost surely, 2^202421132031 is an apocalyptic number.

202421132031 is a deficient number, since it is larger than the sum of its proper divisors (69175718529).

202421132031 is a wasteful number, since it uses less digits than its factorization.

202421132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204086.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202421132031 its reverse (130231124202), we get a palindrome (332652256233).

The spelling of 202421132031 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-two thousand, thirty-one".