431324303401 has 4 divisors (see below), whose sum is σ = 441844408404. Its totient is φ = 420804198400.

The previous prime is 431324303383. The next prime is 431324303407. The reversal of 431324303401 is 104303423134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 175946691600 + 255377611801 = 419460^2 + 505349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431324303401 is a prime.

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 431324303401.

It is not an unprimeable number, because it can be changed into a prime (431324303407) 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, 5260052440 + ... + 5260052521.

It is an arithmetic number, because the mean of its divisors is an integer number (110461102101).

Almost surely, 2^431324303401 is an apocalyptic number.

431324303401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

431324303401 is a deficient number, since it is larger than the sum of its proper divisors (10520105003).

431324303401 is a wasteful number, since it uses less digits than its factorization.

431324303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520105002.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 431324303401 its reverse (104303423134), we get a palindrome (535627726535).

The spelling of 431324303401 in words is "four hundred thirty-one billion, three hundred twenty-four million, three hundred three thousand, four hundred one".