109317286531 has 2 divisors, whose sum is σ = 109317286532. Its totient is φ = 109317286530.

The previous prime is 109317286457. The next prime is 109317286541. The reversal of 109317286531 is 135682713901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109317286531 - 2⁹ = 109317286019 is a prime.

It is a super-2 number, since 2×109317286531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109317286541) 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, 54658643265 + 54658643266.

It is an arithmetic number, because the mean of its divisors is an integer number (54658643266).

Almost surely, 2^109317286531 is an apocalyptic number.

109317286531 is a deficient number, since it is larger than the sum of its proper divisors (1).

109317286531 is an equidigital number, since it uses as much as digits as its factorization.

109317286531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 109317286531 in words is "one hundred nine billion, three hundred seventeen million, two hundred eighty-six thousand, five hundred thirty-one".