431401043413 has 4 divisors (see below), whose sum is σ = 431826909228. Its totient is φ = 430975177600.

The previous prime is 431401043317. The next prime is 431401043441. The reversal of 431401043413 is 314340104134.

It is a happy number.

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 38425016529 + 392976026884 = 196023^2 + 626878^2 .

It is a cyclic number.

It is not a de Polignac number, because 431401043413 - 2⁹ = 431401042901 is a prime.

It is a super-2 number, since 2×431401043413² (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 (431401041413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212931388 + ... + 212933413.

It is an arithmetic number, because the mean of its divisors is an integer number (107956727307).

Almost surely, 2^431401043413 is an apocalyptic number.

It is an amenable number.

431401043413 is a deficient number, since it is larger than the sum of its proper divisors (425865815).

431401043413 is a wasteful number, since it uses less digits than its factorization.

431401043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425865814.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 431401043413 its reverse (314340104134), we get a palindrome (745741147547).

The spelling of 431401043413 in words is "four hundred thirty-one billion, four hundred one million, forty-three thousand, four hundred thirteen".