3815231147 has 16 divisors (see below), whose sum is σ = 4697226240. Its totient is φ = 3017643552.

The previous prime is 3815231111. The next prime is 3815231177. The reversal of 3815231147 is 7411325183.

It is not a de Polignac number, because 3815231147 - 2⁶ = 3815231083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3815231177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397754 + ... + 407232.

It is an arithmetic number, because the mean of its divisors is an integer number (293576640).

Almost surely, 2^3815231147 is an apocalyptic number.

3815231147 is a deficient number, since it is larger than the sum of its proper divisors (881995093).

3815231147 is a wasteful number, since it uses less digits than its factorization.

3815231147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922.

The product of its digits is 20160, while the sum is 35.

The square root of 3815231147 is about 61767.5573986862. The cubic root of 3815231147 is about 1562.5728892035.

The spelling of 3815231147 in words is "three billion, eight hundred fifteen million, two hundred thirty-one thousand, one hundred forty-seven".