2231321032 has 16 divisors (see below), whose sum is σ = 4194271260. Its totient is φ = 1112848704.

The previous prime is 2231321021. The next prime is 2231321051. The reversal of 2231321032 is 2301231322.

It can be written as a sum of positive squares in 2 ways, for example, as 2102589316 + 128731716 = 45854^2 + 11346^2 .

It is a super-4 number, since 4×2231321032⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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, 348103 + ... + 354454.

Almost surely, 2^2231321032 is an apocalyptic number.

It is an amenable number.

2231321032 is a deficient number, since it is larger than the sum of its proper divisors (1962950228).

2231321032 is a wasteful number, since it uses less digits than its factorization.

2231321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702960 (or 702956 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2231321032 is about 47236.8609456640. The cubic root of 2231321032 is about 1306.7344869121.

Adding to 2231321032 its reverse (2301231322), we get a palindrome (4532552354).

The spelling of 2231321032 in words is "two billion, two hundred thirty-one million, three hundred twenty-one thousand, thirty-two".