2231320232 has 16 divisors (see below), whose sum is σ = 4318684800. Its totient is φ = 1079670960.

The previous prime is 2231320219. The next prime is 2231320237. The reversal of 2231320232 is 2320231322.

It is a super-3 number, since 3×2231320232³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231320237) 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, 4498382 + ... + 4498877.

It is an arithmetic number, because the mean of its divisors is an integer number (269917800).

Almost surely, 2^2231320232 is an apocalyptic number.

It is an amenable number.

2231320232 is a deficient number, since it is larger than the sum of its proper divisors (2087364568).

2231320232 is a wasteful number, since it uses less digits than its factorization.

2231320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997296 (or 8997292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2231320232 is about 47236.8524777001. The cubic root of 2231320232 is about 1306.7343307433.

Adding to 2231320232 its reverse (2320231322), we get a palindrome (4551551554).

The spelling of 2231320232 in words is "two billion, two hundred thirty-one million, three hundred twenty thousand, two hundred thirty-two".