431434001303 has 4 divisors (see below), whose sum is σ = 432298599000. Its totient is φ = 430569403608.

The previous prime is 431434001263. The next prime is 431434001309. The reversal of 431434001303 is 303100434134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431434001303 - 2¹² = 431433997207 is a prime.

It is a super-2 number, since 2×431434001303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431434001309) 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, 432298100 + ... + 432299097.

It is an arithmetic number, because the mean of its divisors is an integer number (108074649750).

Almost surely, 2^431434001303 is an apocalyptic number.

431434001303 is a deficient number, since it is larger than the sum of its proper divisors (864597697).

431434001303 is an equidigital number, since it uses as much as digits as its factorization.

431434001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864597696.

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

Adding to 431434001303 its reverse (303100434134), we get a palindrome (734534435437).

The spelling of 431434001303 in words is "four hundred thirty-one billion, four hundred thirty-four million, one thousand, three hundred three".