3230531405 has 4 divisors (see below), whose sum is σ = 3876637692. Its totient is φ = 2584425120.

The previous prime is 3230531363. The next prime is 3230531441. The reversal of 3230531405 is 5041350323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5041350323 = 17 ⋅296550019.

It can be written as a sum of positive squares in 2 ways, for example, as 2546918089 + 683613316 = 50467^2 + 26146^2 .

It is not a de Polignac number, because 3230531405 - 2⁶ = 3230531341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323053136 + ... + 323053145.

It is an arithmetic number, because the mean of its divisors is an integer number (969159423).

Almost surely, 2^3230531405 is an apocalyptic number.

It is an amenable number.

3230531405 is a deficient number, since it is larger than the sum of its proper divisors (646106287).

3230531405 is an equidigital number, since it uses as much as digits as its factorization.

3230531405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646106286.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3230531405 is about 56837.7638986616. The cubic root of 3230531405 is about 1478.2843836167.

Adding to 3230531405 its reverse (5041350323), we get a palindrome (8271881728).

The spelling of 3230531405 in words is "three billion, two hundred thirty million, five hundred thirty-one thousand, four hundred five".