3158318242 has 8 divisors (see below), whose sum is σ = 5016152556. Its totient is φ = 1486267392.

The previous prime is 3158318237. The next prime is 3158318243. The reversal of 3158318242 is 2428138513.

It can be written as a sum of positive squares in 2 ways, for example, as 2635692921 + 522625321 = 51339^2 + 22861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3158318243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46445823 + ... + 46445890.

Almost surely, 2^3158318242 is an apocalyptic number.

3158318242 is a deficient number, since it is larger than the sum of its proper divisors (1857834314).

3158318242 is a wasteful number, since it uses less digits than its factorization.

3158318242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92891732.

The product of its digits is 46080, while the sum is 37.

The square root of 3158318242 is about 56198.9167333321. The cubic root of 3158318242 is about 1467.1864120646.

The spelling of 3158318242 in words is "three billion, one hundred fifty-eight million, three hundred eighteen thousand, two hundred forty-two".