31094797 has 2 divisors, whose sum is σ = 31094798. Its totient is φ = 31094796.

The previous prime is 31094783. The next prime is 31094801. The reversal of 31094797 is 79749013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27815076 + 3279721 = 5274^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 31094797 - 2⁷ = 31094669 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 (31694797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15547398 + 15547399.

It is an arithmetic number, because the mean of its divisors is an integer number (15547399).

Almost surely, 2^31094797 is an apocalyptic number.

It is an amenable number.

31094797 is a deficient number, since it is larger than the sum of its proper divisors (1).

31094797 is an equidigital number, since it uses as much as digits as its factorization.

31094797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 31094797 is about 5576.2708865334. The cubic root of 31094797 is about 314.4579474206.

The spelling of 31094797 in words is "thirty-one million, ninety-four thousand, seven hundred ninety-seven".