977031311 has 2 divisors, whose sum is σ = 977031312. Its totient is φ = 977031310.

The previous prime is 977031269. The next prime is 977031317. The reversal of 977031311 is 113130779.

977031311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977031311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977031317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488515655 + 488515656.

It is an arithmetic number, because the mean of its divisors is an integer number (488515656).

Almost surely, 2^977031311 is an apocalyptic number.

977031311 is a deficient number, since it is larger than the sum of its proper divisors (1).

977031311 is an equidigital number, since it uses as much as digits as its factorization.

977031311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 977031311 is about 31257.5000759818. The cubic root of 977031311 is about 992.2843928444.

The spelling of 977031311 in words is "nine hundred seventy-seven million, thirty-one thousand, three hundred eleven".