231230021313333 has 16 divisors (see below), whose sum is σ = 352350732331136. Its totient is φ = 132131356876800.

The previous prime is 231230021313227. The next prime is 231230021313337. The reversal of 231230021313333 is 333313120032132.

It is not a de Polignac number, because 231230021313333 - 2⁸ = 231230021313077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231230021313333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230021313337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48068133 + ... + 52659333.

It is an arithmetic number, because the mean of its divisors is an integer number (22021920770696).

Almost surely, 2^{231230021313333} is an apocalyptic number.

It is an amenable number.

231230021313333 is a deficient number, since it is larger than the sum of its proper divisors (121120711017803).

231230021313333 is a wasteful number, since it uses less digits than its factorization.

231230021313333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989484.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 231230021313333 its reverse (333313120032132), we get a palindrome (564543141345465).

The spelling of 231230021313333 in words is "two hundred thirty-one trillion, two hundred thirty billion, twenty-one million, three hundred thirteen thousand, three hundred thirty-three".