202440202112131 has 4 divisors (see below), whose sum is σ = 202449018833064. Its totient is φ = 202431385391200.

The previous prime is 202440202112111. The next prime is 202440202112227. The reversal of 202440202112131 is 131211202044202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202440202112131 - 2¹⁹ = 202440201587843 is a prime.

It is a super-2 number, since 2×202440202112131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202440202112096 and 202440202112105.

It is not an unprimeable number, because it can be changed into a prime (202440202112111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4408326025 + ... + 4408371946.

It is an arithmetic number, because the mean of its divisors is an integer number (50612254708266).

Almost surely, 2^{202440202112131} is an apocalyptic number.

202440202112131 is a deficient number, since it is larger than the sum of its proper divisors (8816720933).

202440202112131 is an equidigital number, since it uses as much as digits as its factorization.

202440202112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816720932.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 202440202112131 its reverse (131211202044202), we get a palindrome (333651404156333).

The spelling of 202440202112131 in words is "two hundred two trillion, four hundred forty billion, two hundred two million, one hundred twelve thousand, one hundred thirty-one".