2131574284 has 18 divisors (see below), whose sum is σ = 4339276620. Its totient is φ = 913531752.

The previous prime is 2131574281. The next prime is 2131574293. The reversal of 2131574284 is 4824751312.

It is a super-2 number, since 2×2131574284² = 9087217856420225312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131574281) 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 5 ways as a sum of consecutive naturals, for example, 5437494 + ... + 5437885.

Almost surely, 2^2131574284 is an apocalyptic number.

It is an amenable number.

2131574284 is an abundant number, since it is smaller than the sum of its proper divisors (2207702336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131574284 is a wasteful number, since it uses less digits than its factorization.

2131574284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875397 (or 10875388 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 2131574284 is about 46168.9753405899. The cubic root of 2131574284 is about 1286.9652606274.

The spelling of 2131574284 in words is "two billion, one hundred thirty-one million, five hundred seventy-four thousand, two hundred eighty-four".