3230431616 has 64 divisors (see below), whose sum is σ = 6507702000. Its totient is φ = 1597249536.

The previous prime is 3230431537. The next prime is 3230431621. The reversal of 3230431616 is 6161340323.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×3230431616³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346370 + ... + 6346878.

Almost surely, 2^3230431616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3230431616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253851000).

3230431616 is an abundant number, since it is smaller than the sum of its proper divisors (3277270384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3230431616 is a wasteful number, since it uses less digits than its factorization.

3230431616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3230431616 is about 56836.8860512256. The cubic root of 3230431616 is about 1478.2691623810.

Adding to 3230431616 its reverse (6161340323), we get a palindrome (9391771939).

The spelling of 3230431616 in words is "three billion, two hundred thirty million, four hundred thirty-one thousand, six hundred sixteen".