204351131 has 2 divisors, whose sum is σ = 204351132. Its totient is φ = 204351130.

The previous prime is 204351107. The next prime is 204351149. The reversal of 204351131 is 131153402.

204351131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204351131 - 2²⁶ = 137242267 is a prime.

It is a super-2 number, since 2×204351131² = 83518769481958322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204351151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102175565 + 102175566.

It is an arithmetic number, because the mean of its divisors is an integer number (102175566).

Almost surely, 2^204351131 is an apocalyptic number.

204351131 is a deficient number, since it is larger than the sum of its proper divisors (1).

204351131 is an equidigital number, since it uses as much as digits as its factorization.

204351131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 204351131 is about 14295.1436159278. The cubic root of 204351131 is about 589.0140874045.

The spelling of 204351131 in words is "two hundred four million, three hundred fifty-one thousand, one hundred thirty-one".