2731881372 has 36 divisors (see below), whose sum is σ = 7006564488. Its totient is φ = 827842400.

The previous prime is 2731881367. The next prime is 2731881391.

2731881372 is nontrivially palindromic in base 10.

2731881372 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939279 + ... + 942182.

Almost surely, 2^2731881372 is an apocalyptic number.

2731881372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2731881372 is an abundant number, since it is smaller than the sum of its proper divisors (4274683116).

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

2731881372 is a wasteful number, since it uses less digits than its factorization.

2731881372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881490 (or 1881477 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 2731881372 is about 52267.4025756016. The cubic root of 2731881372 is about 1397.9359673169.

The spelling of 2731881372 in words is "two billion, seven hundred thirty-one million, eight hundred eighty-one thousand, three hundred seventy-two".