2971974931 has 4 divisors (see below), whose sum is σ = 2988394864. Its totient is φ = 2955555000.

The previous prime is 2971974911. The next prime is 2971974937. The reversal of 2971974931 is 1394791792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2971974931 is a prime.

It is a super-2 number, since 2×2971974931² = 17665269980984909522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2971974937) 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, 8209695 + ... + 8210056.

It is an arithmetic number, because the mean of its divisors is an integer number (747098716).

Almost surely, 2^2971974931 is an apocalyptic number.

2971974931 is a deficient number, since it is larger than the sum of its proper divisors (16419933).

2971974931 is a wasteful number, since it uses less digits than its factorization.

2971974931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419932.

The product of its digits is 857304, while the sum is 52.

The square root of 2971974931 is about 54515.8227581681. The cubic root of 2971974931 is about 1437.7444967465.

The spelling of 2971974931 in words is "two billion, nine hundred seventy-one million, nine hundred seventy-four thousand, nine hundred thirty-one".