30320003220031 has 48 divisors (see below), whose sum is σ = 36963810250752. Its totient is φ = 24766508289600.

The previous prime is 30320003220007. The next prime is 30320003220049. The reversal of 30320003220031 is 13002230002303.

It is a happy number.

It is not a de Polignac number, because 30320003220031 - 2¹¹ = 30320003217983 is a prime.

It is a super-2 number, since 2×30320003220031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30320003219990 and 30320003220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320003220061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311478490 + ... + 311575816.

It is an arithmetic number, because the mean of its divisors is an integer number (770079380224).

Almost surely, 2^{30320003220031} is an apocalyptic number.

30320003220031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30320003220031 is a deficient number, since it is larger than the sum of its proper divisors (6643807030721).

30320003220031 is a wasteful number, since it uses less digits than its factorization.

30320003220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500 (or 100493 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30320003220031 its reverse (13002230002303), we get a palindrome (43322233222334).

The spelling of 30320003220031 in words is "thirty trillion, three hundred twenty billion, three million, two hundred twenty thousand, thirty-one".