233130031320 has 32 divisors (see below), whose sum is σ = 699390094320. Its totient is φ = 62168008320.

The previous prime is 233130031319. The next prime is 233130031327. The reversal of 233130031320 is 23130031332.

It is a super-2 number, since 2×233130031320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233130031327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971375011 + ... + 971375250.

Almost surely, 2^233130031320 is an apocalyptic number.

233130031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233130031320 is an abundant number, since it is smaller than the sum of its proper divisors (466260063000).

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

233130031320 is a wasteful number, since it uses less digits than its factorization.

233130031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942750275 (or 1942750271 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 233130031320 its reverse (23130031332), we get a palindrome (256260062652).

The spelling of 233130031320 in words is "two hundred thirty-three billion, one hundred thirty million, thirty-one thousand, three hundred twenty".