31314004247 has 2 divisors, whose sum is σ = 31314004248. Its totient is φ = 31314004246.

The previous prime is 31314004237. The next prime is 31314004289. The reversal of 31314004247 is 74240041313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31314004247 - 2⁴ = 31314004231 is a prime.

It is a super-2 number, since 2×31314004247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31314004217) 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, 15657002123 + 15657002124.

It is an arithmetic number, because the mean of its divisors is an integer number (15657002124).

Almost surely, 2^31314004247 is an apocalyptic number.

31314004247 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314004247 is an equidigital number, since it uses as much as digits as its factorization.

31314004247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 31314004247 in words is "thirty-one billion, three hundred fourteen million, four thousand, two hundred forty-seven".