2031159872 has 56 divisors (see below), whose sum is σ = 4615135296. Its totient is φ = 868843008.

The previous prime is 2031159853. The next prime is 2031159917. The reversal of 2031159872 is 2789511302.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2031159872² = 8251220851246112768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248198 + ... + 256250.

Almost surely, 2^2031159872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031159872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307567648).

2031159872 is an abundant number, since it is smaller than the sum of its proper divisors (2583975424).

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

2031159872 is an equidigital number, since it uses as much as digits as its factorization.

2031159872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8625 counting only the distinct ones).

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

The square root of 2031159872 is about 45068.3910518226. The cubic root of 2031159872 is about 1266.4305234149.

The spelling of 2031159872 in words is "two billion, thirty-one million, one hundred fifty-nine thousand, eight hundred seventy-two".