231960541 has 2 divisors, whose sum is σ = 231960542. Its totient is φ = 231960540.

The previous prime is 231960527. The next prime is 231960577. The reversal of 231960541 is 145069132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191268900 + 40691641 = 13830^2 + 6379^2 .

It is a cyclic number.

It is not a de Polignac number, because 231960541 - 2⁷ = 231960413 is a prime.

It is equal to p_12744517 and since 231960541 and 12744517 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231960041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115980270 + 115980271.

It is an arithmetic number, because the mean of its divisors is an integer number (115980271).

Almost surely, 2^231960541 is an apocalyptic number.

It is an amenable number.

231960541 is a deficient number, since it is larger than the sum of its proper divisors (1).

231960541 is an equidigital number, since it uses as much as digits as its factorization.

231960541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 231960541 is about 15230.2508515126. The cubic root of 231960541 is about 614.4285267971.

The spelling of 231960541 in words is "two hundred thirty-one million, nine hundred sixty thousand, five hundred forty-one".