2311231332 has 48 divisors (see below), whose sum is σ = 5429458944. Its totient is φ = 765204000.

The previous prime is 2311231331. The next prime is 2311231339. The reversal of 2311231332 is 2331321132.

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 = 2311231299 and 2311231308.

It is not an unprimeable number, because it can be changed into a prime (2311231331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234357 + ... + 1236227.

It is an arithmetic number, because the mean of its divisors is an integer number (113113728).

Almost surely, 2^2311231332 is an apocalyptic number.

It is an amenable number.

2311231332 is an abundant number, since it is smaller than the sum of its proper divisors (3118227612).

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

2311231332 is a wasteful number, since it uses less digits than its factorization.

2311231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2518 counting only the distinct ones).

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

The square root of 2311231332 is about 48075.2673627511. The cubic root of 2311231332 is about 1322.1512465015.

Adding to 2311231332 its reverse (2331321132), we get a palindrome (4642552464).

The spelling of 2311231332 in words is "two billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirty-two".