2011313977 has 2 divisors, whose sum is σ = 2011313978. Its totient is φ = 2011313976.

The previous prime is 2011313971. The next prime is 2011313987. The reversal of 2011313977 is 7793131102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005606656 + 5707321 = 44784^2 + 2389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011313977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011313971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005656988 + 1005656989.

It is an arithmetic number, because the mean of its divisors is an integer number (1005656989).

Almost surely, 2^2011313977 is an apocalyptic number.

It is an amenable number.

2011313977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011313977 is an equidigital number, since it uses as much as digits as its factorization.

2011313977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 2011313977 is about 44847.6752686246. The cubic root of 2011313977 is about 1262.2923702862.

The spelling of 2011313977 in words is "two billion, eleven million, three hundred thirteen thousand, nine hundred seventy-seven".