10311997 has 2 divisors, whose sum is σ = 10311998. Its totient is φ = 10311996.

The previous prime is 10311953. The next prime is 10312007. The reversal of 10311997 is 79911301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 1425636 = 2981^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311997 - 2¹⁹ = 9787709 is a prime.

It is equal to p₆₈₃₉₀₅ and since 10311997 and 683905 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155998 + 5155999.

It is an arithmetic number, because the mean of its divisors is an integer number (5155999).

Almost surely, 2^10311997 is an apocalyptic number.

It is an amenable number.

10311997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311997 is an equidigital number, since it uses as much as digits as its factorization.

10311997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 10311997 is about 3211.2298267175. The cubic root of 10311997 is about 217.6611533017.

It can be divided in two parts, 103 and 11997, that added together give a square (12100 = 110²).

The spelling of 10311997 in words is "ten million, three hundred eleven thousand, nine hundred ninety-seven".