202231220002031 has 12 divisors (see below), whose sum is σ = 229457763888192. Its totient is φ = 177916029324000.

The previous prime is 202231220001977. The next prime is 202231220002061. The reversal of 202231220002031 is 130200022132202.

It is a happy number.

It is not a de Polignac number, because 202231220002031 - 2¹⁰ = 202231220001007 is a prime.

It is a super-2 number, since 2×202231220002031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202231220001994 and 202231220002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202231220002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26956970390 + ... + 26956977891.

It is an arithmetic number, because the mean of its divisors is an integer number (19121480324016).

Almost surely, 2^{202231220002031} is an apocalyptic number.

202231220002031 is a deficient number, since it is larger than the sum of its proper divisors (27226543886161).

202231220002031 is a wasteful number, since it uses less digits than its factorization.

202231220002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53913948334 (or 53913948323 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202231220002031 its reverse (130200022132202), we get a palindrome (332431242134233).

The spelling of 202231220002031 in words is "two hundred two trillion, two hundred thirty-one billion, two hundred twenty million, two thousand, thirty-one".