233120311330 has 64 divisors (see below), whose sum is σ = 488018338560. Its totient is φ = 79528863744.

The previous prime is 233120311309. The next prime is 233120311337. The reversal of 233120311330 is 33113021332.

It is a super-2 number, since 2×233120311330² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233120311337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494699 + ... + 1643278.

It is an arithmetic number, because the mean of its divisors is an integer number (7625286540).

Almost surely, 2^233120311330 is an apocalyptic number.

233120311330 is an abundant number, since it is smaller than the sum of its proper divisors (254898027230).

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

233120311330 is a wasteful number, since it uses less digits than its factorization.

233120311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138043.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 233120311330 its reverse (33113021332), we get a palindrome (266233332662).

The spelling of 233120311330 in words is "two hundred thirty-three billion, one hundred twenty million, three hundred eleven thousand, three hundred thirty".