231122333313 has 32 divisors (see below), whose sum is σ = 351947001600. Its totient is φ = 149793815808.

The previous prime is 231122333293. The next prime is 231122333317. The reversal of 231122333313 is 313333221132.

231122333313 is a `hidden beast` number, since 2 + 3 + 1 + 12 + 2 + 333 + 313 = 666.

It is not a de Polignac number, because 231122333313 - 2⁹ = 231122332801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231122333317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1127193 + ... + 1316361.

It is an arithmetic number, because the mean of its divisors is an integer number (10998343800).

Almost surely, 2^231122333313 is an apocalyptic number.

It is an amenable number.

231122333313 is a deficient number, since it is larger than the sum of its proper divisors (120824668287).

231122333313 is a wasteful number, since it uses less digits than its factorization.

231122333313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190438 (or 190432 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 231122333313 its reverse (313333221132), we get a palindrome (544455554445).

The spelling of 231122333313 in words is "two hundred thirty-one billion, one hundred twenty-two million, three hundred thirty-three thousand, three hundred thirteen".