2731631828 has 6 divisors (see below), whose sum is σ = 4780355706. Its totient is φ = 1365815912.

The previous prime is 2731631813. The next prime is 2731631831. The reversal of 2731631828 is 8281361372.

It can be written as a sum of positive squares in only one way, i.e., 2014034884 + 717596944 = 44878^2 + 26788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341453975 + ... + 341453982.

It is an arithmetic number, because the mean of its divisors is an integer number (796725951).

Almost surely, 2^2731631828 is an apocalyptic number.

It is an amenable number.

2731631828 is a deficient number, since it is larger than the sum of its proper divisors (2048723878).

2731631828 is a wasteful number, since it uses less digits than its factorization.

2731631828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682907961 (or 682907959 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 2731631828 is about 52265.0153353082. The cubic root of 2731631828 is about 1397.8934011500.

The spelling of 2731631828 in words is "two billion, seven hundred thirty-one million, six hundred thirty-one thousand, eight hundred twenty-eight".