31113466431163 has 2 divisors, whose sum is σ = 31113466431164. Its totient is φ = 31113466431162.

The previous prime is 31113466431109. The next prime is 31113466431221. The reversal of 31113466431163 is 36113466431113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31113466431163 - 2¹³ = 31113466422971 is a prime.

It is not a weakly prime, because it can be changed into another prime (31113466431763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556733215581 + 15556733215582.

It is an arithmetic number, because the mean of its divisors is an integer number (15556733215582).

Almost surely, 2^{31113466431163} is an apocalyptic number.

31113466431163 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113466431163 is an equidigital number, since it uses as much as digits as its factorization.

31113466431163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The spelling of 31113466431163 in words is "thirty-one trillion, one hundred thirteen billion, four hundred sixty-six million, four hundred thirty-one thousand, one hundred sixty-three".