2987357231 has 4 divisors (see below), whose sum is σ = 3117242352. Its totient is φ = 2857472112.

The previous prime is 2987357203. The next prime is 2987357237. The reversal of 2987357231 is 1327537892.

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 2987357231 - 2²² = 2983162927 is a prime.

It is a super-2 number, since 2×2987357231² = 17848606451215974722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987357237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64942526 + ... + 64942571.

It is an arithmetic number, because the mean of its divisors is an integer number (779310588).

Almost surely, 2^2987357231 is an apocalyptic number.

2987357231 is a deficient number, since it is larger than the sum of its proper divisors (129885121).

2987357231 is a wasteful number, since it uses less digits than its factorization.

2987357231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129885120.

The product of its digits is 635040, while the sum is 47.

The square root of 2987357231 is about 54656.7217366721. The cubic root of 2987357231 is about 1440.2207144645.

The spelling of 2987357231 in words is "two billion, nine hundred eighty-seven million, three hundred fifty-seven thousand, two hundred thirty-one".