235311132 has 72 divisors (see below), whose sum is σ = 642230400. Its totient is φ = 66860640.

The previous prime is 235311103. The next prime is 235311163. The reversal of 235311132 is 231113532.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 235311099 and 235311108.

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, 116007 + ... + 118017.

Almost surely, 2^235311132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235311132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321115200).

235311132 is an abundant number, since it is smaller than the sum of its proper divisors (406919268).

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

235311132 is a wasteful number, since it uses less digits than its factorization.

235311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2222 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 235311132 is about 15339.8543669749. The cubic root of 235311132 is about 617.3727992294.

Adding to 235311132 its reverse (231113532), we get a palindrome (466424664).

The spelling of 235311132 in words is "two hundred thirty-five million, three hundred eleven thousand, one hundred thirty-two".