431419147321 has 4 divisors (see below), whose sum is σ = 431420476644. Its totient is φ = 431417818000.

The previous prime is 431419147273. The next prime is 431419147337. The reversal of 431419147321 is 123741914134.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 100720543225 + 330698604096 = 317365^2 + 575064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431419147321 is a prime.

It is a super-2 number, since 2×431419147321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431419147391) 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, 179691 + ... + 946111.

It is an arithmetic number, because the mean of its divisors is an integer number (107855119161).

Almost surely, 2^431419147321 is an apocalyptic number.

It is an amenable number.

431419147321 is a deficient number, since it is larger than the sum of its proper divisors (1329323).

431419147321 is an equidigital number, since it uses as much as digits as its factorization.

431419147321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329322.

The product of its digits is 72576, while the sum is 40.

The spelling of 431419147321 in words is "four hundred thirty-one billion, four hundred nineteen million, one hundred forty-seven thousand, three hundred twenty-one".