2531197108 has 24 divisors (see below), whose sum is σ = 4923465120. Its totient is φ = 1128834720.

The previous prime is 2531197093. The next prime is 2531197117. The reversal of 2531197108 is 8017911352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540378 + ... + 545041.

It is an arithmetic number, because the mean of its divisors is an integer number (205144380).

Almost surely, 2^2531197108 is an apocalyptic number.

It is an amenable number.

2531197108 is a deficient number, since it is larger than the sum of its proper divisors (2392268012).

2531197108 is a wasteful number, since it uses less digits than its factorization.

2531197108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085487 (or 1085485 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 2531197108 is about 50311.0038460773. The cubic root of 2531197108 is about 1362.8309520995.

The spelling of 2531197108 in words is "two billion, five hundred thirty-one million, one hundred ninety-seven thousand, one hundred eight".