42331963 has 2 divisors, whose sum is σ = 42331964. Its totient is φ = 42331962.

The previous prime is 42331931. The next prime is 42331997. The reversal of 42331963 is 36913324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42331963 - 2⁵ = 42331931 is a prime.

It is not a weakly prime, because it can be changed into another prime (42331363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165981 + 21165982.

It is an arithmetic number, because the mean of its divisors is an integer number (21165982).

Almost surely, 2^42331963 is an apocalyptic number.

42331963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331963 is an equidigital number, since it uses as much as digits as its factorization.

42331963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 42331963 is about 6506.3017913405. The cubic root of 42331963 is about 348.5160655872.

The spelling of 42331963 in words is "forty-two million, three hundred thirty-one thousand, nine hundred sixty-three".