2731012 has 12 divisors (see below), whose sum is σ = 4800796. Its totient is φ = 1359360.

The previous prime is 2730991. The next prime is 2731013. The reversal of 2731012 is 2101372.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 1153476 = 1256^2 + 1074^2 .

It is not an unprimeable number, because it can be changed into a prime (2731013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 2380.

2^2731012 is an apocalyptic number.

It is an amenable number.

2731012 is a deficient number, since it is larger than the sum of its proper divisors (2069784).

2731012 is a wasteful number, since it uses less digits than its factorization.

2731012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2731012 is about 1652.5773809417. The cubic root of 2731012 is about 139.7787662277.

Adding to 2731012 its reverse (2101372), we get a palindrome (4832384).

The spelling of 2731012 in words is "two million, seven hundred thirty-one thousand, twelve".