231303144299 has 4 divisors (see below), whose sum is σ = 231663992280. Its totient is φ = 230942296320.

The previous prime is 231303144277. The next prime is 231303144301. The reversal of 231303144299 is 992441303132.

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 231303144299 - 2¹⁶ = 231303078763 is a prime.

It is a super-2 number, since 2×231303144299² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231303144229) 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, 180423029 + ... + 180424310.

It is an arithmetic number, because the mean of its divisors is an integer number (57915998070).

Almost surely, 2^231303144299 is an apocalyptic number.

231303144299 is a deficient number, since it is larger than the sum of its proper divisors (360847981).

231303144299 is an equidigital number, since it uses as much as digits as its factorization.

231303144299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360847980.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 231303144299 in words is "two hundred thirty-one billion, three hundred three million, one hundred forty-four thousand, two hundred ninety-nine".