233120311331 has 8 divisors (see below), whose sum is σ = 233256424800. Its totient is φ = 232984243008.

The previous prime is 233120311309. The next prime is 233120311337. The reversal of 233120311331 is 133113021332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233120311331 - 2²⁶ = 233053202467 is a prime.

It is a super-2 number, since 2×233120311331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233120311297 and 233120311306.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16541570 + ... + 16555656.

It is an arithmetic number, because the mean of its divisors is an integer number (29157053100).

Almost surely, 2^233120311331 is an apocalyptic number.

233120311331 is a deficient number, since it is larger than the sum of its proper divisors (136113469).

233120311331 is a wasteful number, since it uses less digits than its factorization.

233120311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22573.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 233120311331 its reverse (133113021332), we get a palindrome (366233332663).

The spelling of 233120311331 in words is "two hundred thirty-three billion, one hundred twenty million, three hundred eleven thousand, three hundred thirty-one".