31096493 has 2 divisors, whose sum is σ = 31096494. Its totient is φ = 31096492.

The previous prime is 31096477. The next prime is 31096517. The reversal of 31096493 is 39469013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19386409 + 11710084 = 4403^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 31096493 - 2⁴ = 31096477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31096423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15548246 + 15548247.

It is an arithmetic number, because the mean of its divisors is an integer number (15548247).

Almost surely, 2^31096493 is an apocalyptic number.

It is an amenable number.

31096493 is a deficient number, since it is larger than the sum of its proper divisors (1).

31096493 is an equidigital number, since it uses as much as digits as its factorization.

31096493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 31096493 is about 5576.4229574163. The cubic root of 31096493 is about 314.4636644647.

The spelling of 31096493 in words is "thirty-one million, ninety-six thousand, four hundred ninety-three".