3145931118 has 48 divisors (see below), whose sum is σ = 7827206400. Its totient is φ = 903137040.

The previous prime is 3145931111. The next prime is 3145931143. The reversal of 3145931118 is 8111395413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145931111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414358 + ... + 421881.

It is an arithmetic number, because the mean of its divisors is an integer number (163066800).

Almost surely, 2^3145931118 is an apocalyptic number.

3145931118 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3145931118 is an abundant number, since it is smaller than the sum of its proper divisors (4681275282).

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

3145931118 is a wasteful number, since it uses less digits than its factorization.

3145931118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836277 (or 836274 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 3145931118 is about 56088.6006065404. The cubic root of 3145931118 is about 1465.2657662570.

The spelling of 3145931118 in words is "three billion, one hundred forty-five million, nine hundred thirty-one thousand, one hundred eighteen".