231593413 has 12 divisors (see below), whose sum is σ = 245242080. Its totient is φ = 218670696.

The previous prime is 231593377. The next prime is 231593419. The reversal of 231593413 is 314395132.

It is a de Polignac number, because none of the positive numbers 2^k-231593413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231593419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128706 + ... + 130492.

It is an arithmetic number, because the mean of its divisors is an integer number (20436840).

Almost surely, 2^231593413 is an apocalyptic number.

It is an amenable number.

231593413 is a deficient number, since it is larger than the sum of its proper divisors (13648667).

231593413 is a wasteful number, since it uses less digits than its factorization.

231593413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2165 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 231593413 is about 15218.1934867447. The cubic root of 231593413 is about 614.1042000437.

The spelling of 231593413 in words is "two hundred thirty-one million, five hundred ninety-three thousand, four hundred thirteen".