230996539191 has 32 divisors (see below), whose sum is σ = 353987297280. Its totient is φ = 132513948000.

The previous prime is 230996539183. The next prime is 230996539211. The reversal of 230996539191 is 191935699032.

It is a happy number.

It is not a de Polignac number, because 230996539191 - 2³ = 230996539183 is a prime.

It is a super-2 number, since 2×230996539191² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230996539691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561636 + ... + 881718.

It is an arithmetic number, because the mean of its divisors is an integer number (11062103040).

Almost surely, 2^230996539191 is an apocalyptic number.

230996539191 is a deficient number, since it is larger than the sum of its proper divisors (122990758089).

230996539191 is a wasteful number, since it uses less digits than its factorization.

230996539191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321267.

The product of its (nonzero) digits is 3542940, while the sum is 57.

The spelling of 230996539191 in words is "two hundred thirty billion, nine hundred ninety-six million, five hundred thirty-nine thousand, one hundred ninety-one".