42363431 has 6 divisors (see below), whose sum is σ = 46564896. Its totient is φ = 38512100.

The previous prime is 42363413. The next prime is 42363437. The reversal of 42363431 is 13436324.

It is a happy number.

It is not a de Polignac number, because 42363431 - 2⁶ = 42363367 is a prime.

It is a super-2 number, since 2×42363431² = 3589320572183522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42363431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42363437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174935 + ... + 175176.

It is an arithmetic number, because the mean of its divisors is an integer number (7760816).

Almost surely, 2^42363431 is an apocalyptic number.

42363431 is a deficient number, since it is larger than the sum of its proper divisors (4201465).

42363431 is a wasteful number, since it uses less digits than its factorization.

42363431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350133 (or 350122 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 42363431 is about 6508.7196129500. The cubic root of 42363431 is about 348.6024021391.

Adding to 42363431 its reverse (13436324), we get a palindrome (55799755).

It can be divided in two parts, 4236 and 3431, that added together give a palindrome (7667).

The spelling of 42363431 in words is "forty-two million, three hundred sixty-three thousand, four hundred thirty-one".