2531213158 has 24 divisors (see below), whose sum is σ = 3982515768. Its totient is φ = 1206482112.

The previous prime is 2531213141. The next prime is 2531213173. The reversal of 2531213158 is 8513121352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320910 + ... + 328702.

It is an arithmetic number, because the mean of its divisors is an integer number (165938157).

Almost surely, 2^2531213158 is an apocalyptic number.

2531213158 is a deficient number, since it is larger than the sum of its proper divisors (1451302610).

2531213158 is a wasteful number, since it uses less digits than its factorization.

2531213158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148 (or 8125 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 2531213158 is about 50311.1633536733. The cubic root of 2531213158 is about 1362.8338326062.

The spelling of 2531213158 in words is "two billion, five hundred thirty-one million, two hundred thirteen thousand, one hundred fifty-eight".