30302122231 has 4 divisors (see below), whose sum is σ = 31006822792. Its totient is φ = 29597421672.

The previous prime is 30302122219. The next prime is 30302122237. The reversal of 30302122231 is 13222120303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13222120303 = 7 ⋅1888874329.

It is a cyclic number.

It is not a de Polignac number, because 30302122231 - 2⁵ = 30302122199 is a prime.

It is a super-2 number, since 2×30302122231² (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 = 30302122199 and 30302122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302122237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352350216 + ... + 352350301.

It is an arithmetic number, because the mean of its divisors is an integer number (7751705698).

Almost surely, 2^30302122231 is an apocalyptic number.

30302122231 is a deficient number, since it is larger than the sum of its proper divisors (704700561).

30302122231 is an equidigital number, since it uses as much as digits as its factorization.

30302122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704700560.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30302122231 its reverse (13222120303), we get a palindrome (43524242534).

The spelling of 30302122231 in words is "thirty billion, three hundred two million, one hundred twenty-two thousand, two hundred thirty-one".