3031320432 has 80 divisors (see below), whose sum is σ = 9157786880. Its totient is φ = 845945856.

The previous prime is 3031320427. The next prime is 3031320449. The reversal of 3031320432 is 2340231303.

3031320432 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3031320432³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3031320399 and 3031320408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90457 + ... + 119352.

It is an arithmetic number, because the mean of its divisors is an integer number (114472336).

Almost surely, 2^3031320432 is an apocalyptic number.

It is an amenable number.

3031320432 is an abundant number, since it is smaller than the sum of its proper divisors (6126466448).

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

3031320432 is a wasteful number, since it uses less digits than its factorization.

3031320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209870 (or 209864 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3031320432 is about 55057.4284906224. The cubic root of 3031320432 is about 1447.2513019475.

Adding to 3031320432 its reverse (2340231303), we get a palindrome (5371551735).

The spelling of 3031320432 in words is "three billion, thirty-one million, three hundred twenty thousand, four hundred thirty-two".