3157318442 has 8 divisors (see below), whose sum is σ = 4888751232. Its totient is φ = 1527734700.

The previous prime is 3157318429. The next prime is 3157318457. The reversal of 3157318442 is 2448137513.

3157318442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3157318396 and 3157318405.

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, 25462184 + ... + 25462307.

It is an arithmetic number, because the mean of its divisors is an integer number (611093904).

Almost surely, 2^3157318442 is an apocalyptic number.

3157318442 is a deficient number, since it is larger than the sum of its proper divisors (1731432790).

3157318442 is a wasteful number, since it uses less digits than its factorization.

3157318442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50924524.

The product of its digits is 80640, while the sum is 38.

The square root of 3157318442 is about 56190.0208400033. The cubic root of 3157318442 is about 1467.0315777850.

The spelling of 3157318442 in words is "three billion, one hundred fifty-seven million, three hundred eighteen thousand, four hundred forty-two".