3031979897 has 2 divisors, whose sum is σ = 3031979898. Its totient is φ = 3031979896.

The previous prime is 3031979849. The next prime is 3031979939. The reversal of 3031979897 is 7989791303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2905102201 + 126877696 = 53899^2 + 11264^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031979897 - 2⁶ = 3031979833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3031979827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515989948 + 1515989949.

It is an arithmetic number, because the mean of its divisors is an integer number (1515989949).

Almost surely, 2^3031979897 is an apocalyptic number.

It is an amenable number.

3031979897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031979897 is an equidigital number, since it uses as much as digits as its factorization.

3031979897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The square root of 3031979897 is about 55063.4170479820. The cubic root of 3031979897 is about 1447.3562443754.

The spelling of 3031979897 in words is "three billion, thirty-one million, nine hundred seventy-nine thousand, eight hundred ninety-seven".