233130031100 has 18 divisors (see below), whose sum is σ = 505892167704. Its totient is φ = 93252012400.

The previous prime is 233130031091. The next prime is 233130031109. The reversal of 233130031100 is 1130031332.

It is an interprime number because it is at equal distance from previous prime (233130031091) and next prime (233130031109).

It is a super-2 number, since 2×233130031100² (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 (233130031109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1165650056 + ... + 1165650255.

It is an arithmetic number, because the mean of its divisors is an integer number (28105120428).

Almost surely, 2^233130031100 is an apocalyptic number.

233130031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233130031100 is an abundant number, since it is smaller than the sum of its proper divisors (272762136604).

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

233130031100 is a wasteful number, since it uses less digits than its factorization.

233130031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331300325 (or 2331300318 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 233130031100 its reverse (1130031332), we get a palindrome (234260062432).

The spelling of 233130031100 in words is "two hundred thirty-three billion, one hundred thirty million, thirty-one thousand, one hundred".