2731430292 has 24 divisors (see below), whose sum is σ = 6444950400. Its totient is φ = 900246336.

The previous prime is 2731430281. The next prime is 2731430309. The reversal of 2731430292 is 2920341372.

It is a super-2 number, since 2×2731430292² = 14921422880110410528, which contains 22 as substring.

It is a congruent number.

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, 1277692 + ... + 1279827.

It is an arithmetic number, because the mean of its divisors is an integer number (268539600).

Almost surely, 2^2731430292 is an apocalyptic number.

It is an amenable number.

2731430292 is an abundant number, since it is smaller than the sum of its proper divisors (3713520108).

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

2731430292 is a wasteful number, since it uses less digits than its factorization.

2731430292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557615 (or 2557613 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2731430292 is about 52263.0872796470. The cubic root of 2731430292 is about 1397.8590220937.

The spelling of 2731430292 in words is "two billion, seven hundred thirty-one million, four hundred thirty thousand, two hundred ninety-two".