233132401331 has 4 divisors (see below), whose sum is σ = 233372497464. Its totient is φ = 232892305200.

The previous prime is 233132401321. The next prime is 233132401351. The reversal of 233132401331 is 133104231332.

233132401331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233132401331 is a prime.

It is a super-2 number, since 2×233132401331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233132401331.

It is not an unprimeable number, because it can be changed into a prime (233132401321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120046610 + ... + 120048551.

It is an arithmetic number, because the mean of its divisors is an integer number (58343124366).

Almost surely, 2^233132401331 is an apocalyptic number.

233132401331 is a deficient number, since it is larger than the sum of its proper divisors (240096133).

233132401331 is an equidigital number, since it uses as much as digits as its factorization.

233132401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240096132.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 233132401331 its reverse (133104231332), we get a palindrome (366236632663).

The spelling of 233132401331 in words is "two hundred thirty-three billion, one hundred thirty-two million, four hundred one thousand, three hundred thirty-one".