3204312431 has 4 divisors (see below), whose sum is σ = 3249443664. Its totient is φ = 3159181200.

The previous prime is 3204312421. The next prime is 3204312451. The reversal of 3204312431 is 1342134023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342134023 = 1949 ⋅688627.

It is a cyclic number.

It is not a de Polignac number, because 3204312431 - 2¹⁴ = 3204296047 is a prime.

It is a super-2 number, since 2×3204312431² = 20535236310922259522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3204312397 and 3204312406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204312421) 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, 22565510 + ... + 22565651.

It is an arithmetic number, because the mean of its divisors is an integer number (812360916).

Almost surely, 2^3204312431 is an apocalyptic number.

3204312431 is a deficient number, since it is larger than the sum of its proper divisors (45131233).

3204312431 is an equidigital number, since it uses as much as digits as its factorization.

3204312431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45131232.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3204312431 is about 56606.6465267110. The cubic root of 3204312431 is about 1474.2742661351.

Adding to 3204312431 its reverse (1342134023), we get a palindrome (4546446454).

The spelling of 3204312431 in words is "three billion, two hundred four million, three hundred twelve thousand, four hundred thirty-one".