431304042 has 128 divisors (see below), whose sum is σ = 1034208000. Its totient is φ = 118665216.

The previous prime is 431304017. The next prime is 431304103. The reversal of 431304042 is 240403134.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2894584 + ... + 2894732.

It is an arithmetic number, because the mean of its divisors is an integer number (8079750).

Almost surely, 2^431304042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431304042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517104000).

431304042 is an abundant number, since it is smaller than the sum of its proper divisors (602903958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431304042 is a wasteful number, since it uses less digits than its factorization.

431304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 431304042 is about 20767.8607949880. The cubic root of 431304042 is about 755.5464616825.

Adding to 431304042 its reverse (240403134), we get a palindrome (671707176).

The spelling of 431304042 in words is "four hundred thirty-one million, three hundred four thousand, forty-two".