2687830131 has 32 divisors (see below), whose sum is σ = 4126348800. Its totient is φ = 1524473856.

The previous prime is 2687830099. The next prime is 2687830151. The reversal of 2687830131 is 1310387862.

It is not a de Polignac number, because 2687830131 - 2⁵ = 2687830099 is a prime.

It is a super-2 number, since 2×2687830131² = 14448861626222954322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2687830131.

It is not an unprimeable number, because it can be changed into a prime (2687830151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1882840 + ... + 1884266.

It is an arithmetic number, because the mean of its divisors is an integer number (128948400).

Almost surely, 2^2687830131 is an apocalyptic number.

2687830131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2687830131 is a deficient number, since it is larger than the sum of its proper divisors (1438518669).

2687830131 is a wasteful number, since it uses less digits than its factorization.

2687830131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2687830131 is about 51844.2873516456. The cubic root of 2687830131 is about 1390.3813681922.

The spelling of 2687830131 in words is "two billion, six hundred eighty-seven million, eight hundred thirty thousand, one hundred thirty-one".