233111313132 has 36 divisors (see below), whose sum is σ = 568603602840. Its totient is φ = 74325344192.

The previous prime is 233111313073. The next prime is 233111313133. The reversal of 233111313132 is 231313111332.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (233111313133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18354657 + ... + 18367352.

Almost surely, 2^233111313132 is an apocalyptic number.

It is an amenable number.

233111313132 is an abundant number, since it is smaller than the sum of its proper divisors (335492289708).

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

233111313132 is a wasteful number, since it uses less digits than its factorization.

233111313132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36722062 (or 36722037 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

Adding to 233111313132 its reverse (231313111332), we get a palindrome (464424424464).

The spelling of 233111313132 in words is "two hundred thirty-three billion, one hundred eleven million, three hundred thirteen thousand, one hundred thirty-two".