2231031332 has 12 divisors (see below), whose sum is σ = 3912260016. Its totient is φ = 1113242760.

The previous prime is 2231031317. The next prime is 2231031347. The reversal of 2231031332 is 2331301322.

It is an interprime number because it is at equal distance from previous prime (2231031317) and next prime (2231031347).

It is a super-3 number, since 3×2231031332³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566018 + ... + 569945.

It is an arithmetic number, because the mean of its divisors is an integer number (326021668).

Almost surely, 2^2231031332 is an apocalyptic number.

It is an amenable number.

2231031332 is a deficient number, since it is larger than the sum of its proper divisors (1681228684).

2231031332 is a wasteful number, since it uses less digits than its factorization.

2231031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136458 (or 1136456 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2231031332 is about 47233.7943849528. The cubic root of 2231031332 is about 1306.6779318699.

Adding to 2231031332 its reverse (2331301322), we get a palindrome (4562332654).

The spelling of 2231031332 in words is "two billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty-two".