202131941 has 4 divisors (see below), whose sum is σ = 220507584. Its totient is φ = 183756300.

The previous prime is 202131929. The next prime is 202131947. The reversal of 202131941 is 149131202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202131941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131947) 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, 9187805 + ... + 9187826.

It is an arithmetic number, because the mean of its divisors is an integer number (55126896).

Almost surely, 2^202131941 is an apocalyptic number.

It is an amenable number.

202131941 is a deficient number, since it is larger than the sum of its proper divisors (18375643).

202131941 is a wasteful number, since it uses less digits than its factorization.

202131941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18375642.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 202131941 is about 14217.3113140284. The cubic root of 202131941 is about 586.8741520680.

The spelling of 202131941 in words is "two hundred two million, one hundred thirty-one thousand, nine hundred forty-one".