2531871290 has 64 divisors (see below), whose sum is σ = 4964585472. Its totient is φ = 924134400.

The previous prime is 2531871269. The next prime is 2531871299. The reversal of 2531871290 is 921781352.

2531871290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2531871299) 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, 6610439 + ... + 6610821.

It is an arithmetic number, because the mean of its divisors is an integer number (77571648).

Almost surely, 2^2531871290 is an apocalyptic number.

2531871290 is a deficient number, since it is larger than the sum of its proper divisors (2432714182).

2531871290 is a wasteful number, since it uses less digits than its factorization.

2531871290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2531871290 is about 50317.7035445776. The cubic root of 2531871290 is about 1362.9519376116.

The spelling of 2531871290 in words is "two billion, five hundred thirty-one million, eight hundred seventy-one thousand, two hundred ninety".