431301442 has 16 divisors (see below), whose sum is σ = 760056192. Its totient is φ = 180965520.

The previous prime is 431301433. The next prime is 431301443. The reversal of 431301442 is 244103134.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (431301443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753738 + ... + 754309.

It is an arithmetic number, because the mean of its divisors is an integer number (47503512).

Almost surely, 2^431301442 is an apocalyptic number.

431301442 is a deficient number, since it is larger than the sum of its proper divisors (328754750).

431301442 is a wasteful number, since it uses less digits than its factorization.

431301442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508073.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 431301442 is about 20767.7981981721. The cubic root of 431301442 is about 755.5449434768.

Adding to 431301442 its reverse (244103134), we get a palindrome (675404576).

The spelling of 431301442 in words is "four hundred thirty-one million, three hundred one thousand, four hundred forty-two".