202142043131 has 12 divisors (see below), whose sum is σ = 241500093408. Its totient is φ = 168581779632.

The previous prime is 202142043097. The next prime is 202142043167. The reversal of 202142043131 is 131340241202.

It is not a de Polignac number, because 202142043131 - 2¹⁸ = 202141780987 is a prime.

It is a super-2 number, since 2×202142043131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202142043097 and 202142043106.

It is not an unprimeable number, because it can be changed into a prime (202141043131) 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, 55746131 + ... + 55749756.

It is an arithmetic number, because the mean of its divisors is an integer number (20125007784).

Almost surely, 2^202142043131 is an apocalyptic number.

202142043131 is a deficient number, since it is larger than the sum of its proper divisors (39358050277).

202142043131 is a wasteful number, since it uses less digits than its factorization.

202142043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111495938 (or 111495931 counting only the distinct ones).

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

Adding to 202142043131 its reverse (131340241202), we get a palindrome (333482284333).

The spelling of 202142043131 in words is "two hundred two billion, one hundred forty-two million, forty-three thousand, one hundred thirty-one".