3231312130 has 16 divisors (see below), whose sum is σ = 5911713144. Its totient is φ = 1271335680.

The previous prime is 3231312107. The next prime is 3231312137. The reversal of 3231312130 is 312131323.

It can be written as a sum of positive squares in 4 ways, for example, as 1091046961 + 2140265169 = 33031^2 + 46263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3231312098 and 3231312107.

It is not an unprimeable number, because it can be changed into a prime (3231312137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648007 + ... + 2649226.

Almost surely, 2^3231312130 is an apocalyptic number.

3231312130 is a deficient number, since it is larger than the sum of its proper divisors (2680401014).

3231312130 is a wasteful number, since it uses less digits than its factorization.

3231312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297301.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3231312130 is about 56844.6314967385. The cubic root of 3231312130 is about 1478.4034600647.

Adding to 3231312130 its reverse (312131323), we get a palindrome (3543443453).

The spelling of 3231312130 in words is "three billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirty".