2315447331 has 8 divisors (see below), whose sum is σ = 3249750720. Its totient is φ = 1462387752.

The previous prime is 2315447297. The next prime is 2315447353. The reversal of 2315447331 is 1337445132.

It is a happy number.

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

It is not a de Polignac number, because 2315447331 - 2¹¹ = 2315445283 is a prime.

It is a super-2 number, since 2×2315447331² = 10722592685270047122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315447292 and 2315447301.

It is not an unprimeable number, because it can be changed into a prime (2315447371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20310885 + ... + 20310998.

It is an arithmetic number, because the mean of its divisors is an integer number (406218840).

Almost surely, 2^2315447331 is an apocalyptic number.

2315447331 is a deficient number, since it is larger than the sum of its proper divisors (934303389).

2315447331 is a wasteful number, since it uses less digits than its factorization.

2315447331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40621905.

The product of its digits is 30240, while the sum is 33.

The square root of 2315447331 is about 48119.0952845126. The cubic root of 2315447331 is about 1322.9546858239.

The spelling of 2315447331 in words is "two billion, three hundred fifteen million, four hundred forty-seven thousand, three hundred thirty-one".