2231312332 has 18 divisors (see below), whose sum is σ = 4002370484. Its totient is φ = 1088441760.

The previous prime is 2231312311. The next prime is 2231312383. The reversal of 2231312332 is 2332131322.

It is a super-3 number, since 3×2231312332³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159198 + ... + 172645.

Almost surely, 2^2231312332 is an apocalyptic number.

It is an amenable number.

2231312332 is a deficient number, since it is larger than the sum of its proper divisors (1771058152).

2231312332 is a wasteful number, since it uses less digits than its factorization.

2231312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331929 (or 331886 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 2231312332 is about 47236.7688564745. The cubic root of 2231312332 is about 1306.7327885751.

Adding to 2231312332 its reverse (2332131322), we get a palindrome (4563443654).

The spelling of 2231312332 in words is "two billion, two hundred thirty-one million, three hundred twelve thousand, three hundred thirty-two".