3231115040 has 48 divisors (see below), whose sum is σ = 7896745080. Its totient is φ = 1247877120.

The previous prime is 3231115009. The next prime is 3231115057. The reversal of 3231115040 is 405111323.

It can be written as a sum of positive squares in 4 ways, for example, as 3030722704 + 200392336 = 55052^2 + 14156^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343541 + ... + 352820.

Almost surely, 2^3231115040 is an apocalyptic number.

It is an amenable number.

3231115040 is an abundant number, since it is smaller than the sum of its proper divisors (4665630040).

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

3231115040 is a wasteful number, since it uses less digits than its factorization.

3231115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696405 (or 696397 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3231115040 is about 56842.8978853119. The cubic root of 3231115040 is about 1478.3734016394.

Adding to 3231115040 its reverse (405111323), we get a palindrome (3636226363).

The spelling of 3231115040 in words is "three billion, two hundred thirty-one million, one hundred fifteen thousand, forty".