42430313 has 4 divisors (see below), whose sum is σ = 42462720. Its totient is φ = 42397908.

The previous prime is 42430307. The next prime is 42430327. The reversal of 42430313 is 31303424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42430313 - 2¹⁸ = 42168169 is a prime.

It is a super-2 number, since 2×42430313² = 3600662922555938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42430303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14153 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (10615680).

Almost surely, 2^42430313 is an apocalyptic number.

It is an amenable number.

42430313 is a deficient number, since it is larger than the sum of its proper divisors (32407).

42430313 is a wasteful number, since it uses less digits than its factorization.

42430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32406.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42430313 is about 6513.8554635485. The cubic root of 42430313 is about 348.7857597055.

Adding to 42430313 its reverse (31303424), we get a palindrome (73733737).

The spelling of 42430313 in words is "forty-two million, four hundred thirty thousand, three hundred thirteen".