2331131232 has 24 divisors (see below), whose sum is σ = 6119219736. Its totient is φ = 777043712.

The previous prime is 2331131227. The next prime is 2331131237. The reversal of 2331131232 is 2321311332.

It is an interprime number because it is at equal distance from previous prime (2331131227) and next prime (2331131237).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2331131199 and 2331131208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331131237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12141213 + ... + 12141404.

It is an arithmetic number, because the mean of its divisors is an integer number (254967489).

Almost surely, 2^2331131232 is an apocalyptic number.

It is an amenable number.

2331131232 is an abundant number, since it is smaller than the sum of its proper divisors (3788088504).

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

2331131232 is a wasteful number, since it uses less digits than its factorization.

2331131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24282630 (or 24282622 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2331131232 is about 48281.7898591177. The cubic root of 2331131232 is about 1325.9350195311.

Adding to 2331131232 its reverse (2321311332), we get a palindrome (4652442564).

The spelling of 2331131232 in words is "two billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".