31100131963 has 2 divisors, whose sum is σ = 31100131964. Its totient is φ = 31100131962.

The previous prime is 31100131957. The next prime is 31100132029. The reversal of 31100131963 is 36913100113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31100131963 - 2¹⁷ = 31100000891 is a prime.

It is not a weakly prime, because it can be changed into another prime (31100131763) 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, 15550065981 + 15550065982.

It is an arithmetic number, because the mean of its divisors is an integer number (15550065982).

Almost surely, 2^31100131963 is an apocalyptic number.

31100131963 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100131963 is an equidigital number, since it uses as much as digits as its factorization.

31100131963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 31100131963 in words is "thirty-one billion, one hundred million, one hundred thirty-one thousand, nine hundred sixty-three".