42341731 has 2 divisors, whose sum is σ = 42341732. Its totient is φ = 42341730.

The previous prime is 42341699. The next prime is 42341737. The reversal of 42341731 is 13714324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42341731 - 2⁵ = 42341699 is a prime.

It is a super-2 number, since 2×42341731² = 3585644368152722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42341696 and 42341705.

It is not a weakly prime, because it can be changed into another prime (42341737) 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, 21170865 + 21170866.

It is an arithmetic number, because the mean of its divisors is an integer number (21170866).

Almost surely, 2^42341731 is an apocalyptic number.

42341731 is a deficient number, since it is larger than the sum of its proper divisors (1).

42341731 is an equidigital number, since it uses as much as digits as its factorization.

42341731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 42341731 is about 6507.0524048912. The cubic root of 42341731 is about 348.5428699440.

The spelling of 42341731 in words is "forty-two million, three hundred forty-one thousand, seven hundred thirty-one".