3133815394 has 16 divisors (see below), whose sum is σ = 5045421528. Its totient is φ = 1454533632.

The previous prime is 3133815383. The next prime is 3133815409. The reversal of 3133815394 is 4935183313.

3133815394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3120674769 + 13140625 = 55863^2 + 3625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628827 + ... + 633790.

Almost surely, 2^3133815394 is an apocalyptic number.

3133815394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3133815394 is a deficient number, since it is larger than the sum of its proper divisors (1911606134).

3133815394 is a wasteful number, since it uses less digits than its factorization.

3133815394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262709.

The product of its digits is 116640, while the sum is 40.

The square root of 3133815394 is about 55980.4911911284. The cubic root of 3133815394 is about 1463.3823180982.

The spelling of 3133815394 in words is "three billion, one hundred thirty-three million, eight hundred fifteen thousand, three hundred ninety-four".