30102013321 has 4 divisors (see below), whose sum is σ = 30276013572. Its totient is φ = 29928013072.

The previous prime is 30102013243. The next prime is 30102013379. The reversal of 30102013321 is 12331020103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12331020103 = 479 ⋅25743257.

It can be written as a sum of positive squares in 2 ways, for example, as 27634407696 + 2467605625 = 166236^2 + 49675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102013321 is a prime.

It is a super-2 number, since 2×30102013321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102013295 and 30102013304.

It is not an unprimeable number, because it can be changed into a prime (30102013391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86999866 + ... + 87000211.

It is an arithmetic number, because the mean of its divisors is an integer number (7569003393).

Almost surely, 2^30102013321 is an apocalyptic number.

It is an amenable number.

30102013321 is a deficient number, since it is larger than the sum of its proper divisors (174000251).

30102013321 is a wasteful number, since it uses less digits than its factorization.

30102013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174000250.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30102013321 its reverse (12331020103), we get a palindrome (42433033424).

The spelling of 30102013321 in words is "thirty billion, one hundred two million, thirteen thousand, three hundred twenty-one".