2981311072 has 24 divisors (see below), whose sum is σ = 5965680672. Its totient is φ = 1466217600.

The previous prime is 2981311061. The next prime is 2981311093. The reversal of 2981311072 is 2701131892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761704 + ... + 765607.

It is an arithmetic number, because the mean of its divisors is an integer number (248570028).

Almost surely, 2^2981311072 is an apocalyptic number.

It is an amenable number.

2981311072 is an abundant number, since it is smaller than the sum of its proper divisors (2984369600).

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

2981311072 is a wasteful number, since it uses less digits than its factorization.

2981311072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527382 (or 1527374 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 2981311072 is about 54601.3834256972. The cubic root of 2981311072 is about 1439.2484298224.

The spelling of 2981311072 in words is "two billion, nine hundred eighty-one million, three hundred eleven thousand, seventy-two".