233201311332 has 144 divisors (see below), whose sum is σ = 663344603712. Its totient is φ = 63009423360.

The previous prime is 233201311331. The next prime is 233201311333. The reversal of 233201311332 is 233113102332.

It is an interprime number because it is at equal distance from previous prime (233201311331) and next prime (233201311333).

It is a super-2 number, since 2×233201311332² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233201311331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 666148 + ... + 954020.

It is an arithmetic number, because the mean of its divisors is an integer number (4606559748).

Almost surely, 2^233201311332 is an apocalyptic number.

233201311332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233201311332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331672301856).

233201311332 is an abundant number, since it is smaller than the sum of its proper divisors (430143292380).

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

233201311332 is a wasteful number, since it uses less digits than its factorization.

233201311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287946 (or 287925 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 233201311332 its reverse (233113102332), we get a palindrome (466314413664).

The spelling of 233201311332 in words is "two hundred thirty-three billion, two hundred one million, three hundred eleven thousand, three hundred thirty-two".