30320023032 has 80 divisors (see below), whose sum is σ = 91456790040. Its totient is φ = 9329235264.

The previous prime is 30320023009. The next prime is 30320023043. The reversal of 30320023032 is 23032002303.

It is a super-2 number, since 2×30320023032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30320022996 and 30320023014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1791198 + ... + 1808045.

Almost surely, 2^30320023032 is an apocalyptic number.

It is an amenable number.

30320023032 is an abundant number, since it is smaller than the sum of its proper divisors (61136767008).

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

30320023032 is a wasteful number, since it uses less digits than its factorization.

30320023032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599274 (or 3599261 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30320023032 its reverse (23032002303), we get a palindrome (53352025335).

It can be divided in two parts, 3032002303 and 2, that multiplied together give a palindrome (6064004606).

The spelling of 30320023032 in words is "thirty billion, three hundred twenty million, twenty-three thousand, thirty-two".