231133231022313 has 16 divisors (see below), whose sum is σ = 315747650486016. Its totient is φ = 150305089484160.

The previous prime is 231133231022273. The next prime is 231133231022417. The reversal of 231133231022313 is 313220132331132.

It is a de Polignac number, because none of the positive numbers 2^k-231133231022313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231133231020313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158441470 + ... + 159893607.

It is an arithmetic number, because the mean of its divisors is an integer number (19734228155376).

Almost surely, 2^{231133231022313} is an apocalyptic number.

It is an amenable number.

231133231022313 is a deficient number, since it is larger than the sum of its proper divisors (84614419463703).

231133231022313 is a wasteful number, since it uses less digits than its factorization.

231133231022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318341024.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 231133231022313 its reverse (313220132331132), we get a palindrome (544353363353445).

The spelling of 231133231022313 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, two hundred thirty-one million, twenty-two thousand, three hundred thirteen".