30031020113321 has 2 divisors, whose sum is σ = 30031020113322. Its totient is φ = 30031020113320.

The previous prime is 30031020113293. The next prime is 30031020113359. The reversal of 30031020113321 is 12331102013003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30017468592400 + 13551520921 = 5478820^2 + 116411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30031020113321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30031020113293 and 30031020113302.

It is not a weakly prime, because it can be changed into another prime (30031020112321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015510056660 + 15015510056661.

It is an arithmetic number, because the mean of its divisors is an integer number (15015510056661).

Almost surely, 2^{30031020113321} is an apocalyptic number.

It is an amenable number.

30031020113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031020113321 is an equidigital number, since it uses as much as digits as its factorization.

30031020113321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30031020113321 its reverse (12331102013003), we get a palindrome (42362122126324).

The spelling of 30031020113321 in words is "thirty trillion, thirty-one billion, twenty million, one hundred thirteen thousand, three hundred twenty-one".