231078355199 has 4 divisors (see below), whose sum is σ = 231091665936. Its totient is φ = 231065044464.

The previous prime is 231078355171. The next prime is 231078355213. The reversal of 231078355199 is 991553870132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231078355199 - 2²⁴ = 231061577983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231078355199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231078325199) 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, 6629294 + ... + 6664059.

It is an arithmetic number, because the mean of its divisors is an integer number (57772916484).

Almost surely, 2^231078355199 is an apocalyptic number.

231078355199 is a deficient number, since it is larger than the sum of its proper divisors (13310737).

231078355199 is a wasteful number, since it uses less digits than its factorization.

231078355199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310736.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 231078355199 in words is "two hundred thirty-one billion, seventy-eight million, three hundred fifty-five thousand, one hundred ninety-nine".