2531442115 has 4 divisors (see below), whose sum is σ = 3037730544. Its totient is φ = 2025153688.

The previous prime is 2531442107. The next prime is 2531442157. The reversal of 2531442115 is 5112441352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2531442115 - 2³ = 2531442107 is a prime.

It is a Duffinian number.

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, 253144207 + ... + 253144216.

It is an arithmetic number, because the mean of its divisors is an integer number (759432636).

Almost surely, 2^2531442115 is an apocalyptic number.

2531442115 is a deficient number, since it is larger than the sum of its proper divisors (506288429).

2531442115 is an equidigital number, since it uses as much as digits as its factorization.

2531442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506288428.

The product of its digits is 4800, while the sum is 28.

The square root of 2531442115 is about 50313.4387117398. The cubic root of 2531442115 is about 1362.8749223813.

Adding to 2531442115 its reverse (5112441352), we get a palindrome (7643883467).

The spelling of 2531442115 in words is "two billion, five hundred thirty-one million, four hundred forty-two thousand, one hundred fifteen".