3204120431 has 4 divisors (see below), whose sum is σ = 3251943192. Its totient is φ = 3156297672.

The previous prime is 3204120401. The next prime is 3204120433. The reversal of 3204120431 is 1340214023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340214023 = 17 ⋅78836119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3204120431 is a prime.

It is a super-2 number, since 2×3204120431² = 20532775472703251522, which 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 (3204120433) 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, 23911280 + ... + 23911413.

It is an arithmetic number, because the mean of its divisors is an integer number (812985798).

Almost surely, 2^3204120431 is an apocalyptic number.

3204120431 is a deficient number, since it is larger than the sum of its proper divisors (47822761).

3204120431 is an equidigital number, since it uses as much as digits as its factorization.

3204120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47822760.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3204120431 is about 56604.9505873824. The cubic root of 3204120431 is about 1474.2448197438.

Adding to 3204120431 its reverse (1340214023), we get a palindrome (4544334454).

The spelling of 3204120431 in words is "three billion, two hundred four million, one hundred twenty thousand, four hundred thirty-one".