31463963 has 2 divisors, whose sum is σ = 31463964. Its totient is φ = 31463962.

The previous prime is 31463959. The next prime is 31464001. The reversal of 31463963 is 36936413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31463963 - 2² = 31463959 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31463063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15731981 + 15731982.

It is an arithmetic number, because the mean of its divisors is an integer number (15731982).

Almost surely, 2^31463963 is an apocalyptic number.

31463963 is a deficient number, since it is larger than the sum of its proper divisors (1).

31463963 is an equidigital number, since it uses as much as digits as its factorization.

31463963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 35.

The square root of 31463963 is about 5609.2747303016. The cubic root of 31463963 is about 315.6974986614.

The spelling of 31463963 in words is "thirty-one million, four hundred sixty-three thousand, nine hundred sixty-three".