30302021321023 has 4 divisors (see below), whose sum is σ = 30427755849568. Its totient is φ = 30176286792480.

The previous prime is 30302021320973. The next prime is 30302021321053. The reversal of 30302021321023 is 32012312020303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30302021321023 - 2¹³ = 30302021312831 is a prime.

It is a super-2 number, since 2×30302021321023² (a number of 28 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 = 30302021320985 and 30302021321003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302021321053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62867263911 + ... + 62867264392.

It is an arithmetic number, because the mean of its divisors is an integer number (7606938962392).

Almost surely, 2^{30302021321023} is an apocalyptic number.

30302021321023 is a deficient number, since it is larger than the sum of its proper divisors (125734528545).

30302021321023 is a wasteful number, since it uses less digits than its factorization.

30302021321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125734528544.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30302021321023 its reverse (32012312020303), we get a palindrome (62314333341326).

The spelling of 30302021321023 in words is "thirty trillion, three hundred two billion, twenty-one million, three hundred twenty-one thousand, twenty-three".