2731622013 has 12 divisors (see below), whose sum is σ = 3947344128. Its totient is φ = 1820311560.

The previous prime is 2731622011. The next prime is 2731622017. The reversal of 2731622013 is 3102261372.

2731622013 is a `hidden beast` number, since 2 + 7 + 31 + 622 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 2731622013 - 2¹ = 2731622011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731622011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41245 + ... + 84642.

It is an arithmetic number, because the mean of its divisors is an integer number (328945344).

Almost surely, 2^2731622013 is an apocalyptic number.

It is an amenable number.

2731622013 is a deficient number, since it is larger than the sum of its proper divisors (1215722115).

2731622013 is a wasteful number, since it uses less digits than its factorization.

2731622013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128304 (or 128301 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2731622013 is about 52264.9214387623. The cubic root of 2731622013 is about 1397.8917268956.

Adding to 2731622013 its reverse (3102261372), we get a palindrome (5833883385).

The spelling of 2731622013 in words is "two billion, seven hundred thirty-one million, six hundred twenty-two thousand, thirteen".