12304221431 has 8 divisors (see below), whose sum is σ = 12461019840. Its totient is φ = 12147835392.

The previous prime is 12304221421. The next prime is 12304221487. The reversal of 12304221431 is 13412240321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12304221431 - 2¹⁴ = 12304205047 is a prime.

It is a super-2 number, since 2×12304221431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12304221397 and 12304221406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304221421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42815 + ... + 162608.

It is an arithmetic number, because the mean of its divisors is an integer number (1557627480).

Almost surely, 2^12304221431 is an apocalyptic number.

12304221431 is a deficient number, since it is larger than the sum of its proper divisors (156798409).

12304221431 is an equidigital number, since it uses as much as digits as its factorization.

12304221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206185.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12304221431 its reverse (13412240321), we get a palindrome (25716461752).

The spelling of 12304221431 in words is "twelve billion, three hundred four million, two hundred twenty-one thousand, four hundred thirty-one".