231313111110 has 48 divisors (see below), whose sum is σ = 601437932784. Its totient is φ = 61681050816.

The previous prime is 231313111103. The next prime is 231313111121. The reversal of 231313111110 is 11111313132.

231313111110 is a `hidden beast` number, since 231 + 313 + 1 + 11 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4102369 + ... + 4158371.

It is an arithmetic number, because the mean of its divisors is an integer number (12529956933).

Almost surely, 2^231313111110 is an apocalyptic number.

231313111110 is an abundant number, since it is smaller than the sum of its proper divisors (370124821674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231313111110 is a wasteful number, since it uses less digits than its factorization.

231313111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101909 (or 101906 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 231313111110 its reverse (11111313132), we get a palindrome (242424424242).

The spelling of 231313111110 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred eleven thousand, one hundred ten".