2931440983 has 2 divisors, whose sum is σ = 2931440984. Its totient is φ = 2931440982.

The previous prime is 2931440947. The next prime is 2931441031. The reversal of 2931440983 is 3890441392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2931440983 - 2⁹ = 2931440471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2931440483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465720491 + 1465720492.

It is an arithmetic number, because the mean of its divisors is an integer number (1465720492).

Almost surely, 2^2931440983 is an apocalyptic number.

2931440983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931440983 is an equidigital number, since it uses as much as digits as its factorization.

2931440983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2931440983 is about 54142.7832956526. The cubic root of 2931440983 is about 1431.1782199581.

The spelling of 2931440983 in words is "two billion, nine hundred thirty-one million, four hundred forty thousand, nine hundred eighty-three".