233131230197 has 4 divisors (see below), whose sum is σ = 237082607040. Its totient is φ = 229179853356.

The previous prime is 233131230191. The next prime is 233131230251. The reversal of 233131230197 is 791032131332.

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 not a de Polignac number, because 233131230197 - 2³⁴ = 215951361013 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 (233131230191) 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, 1975688333 + ... + 1975688450.

It is an arithmetic number, because the mean of its divisors is an integer number (59270651760).

Almost surely, 2^233131230197 is an apocalyptic number.

It is an amenable number.

233131230197 is a deficient number, since it is larger than the sum of its proper divisors (3951376843).

233131230197 is an equidigital number, since it uses as much as digits as its factorization.

233131230197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951376842.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 233131230197 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty thousand, one hundred ninety-seven".