30442330231 has 2 divisors, whose sum is σ = 30442330232. Its totient is φ = 30442330230.

The previous prime is 30442330201. The next prime is 30442330273. The reversal of 30442330231 is 13203324403.

It is a weak prime.

It is an emirp because it is prime and its reverse (13203324403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30442330231 - 2⁵ = 30442330199 is a prime.

It is a super-2 number, since 2×30442330231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30442330196 and 30442330205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30442330201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221165115 + 15221165116.

It is an arithmetic number, because the mean of its divisors is an integer number (15221165116).

Almost surely, 2^30442330231 is an apocalyptic number.

30442330231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30442330231 is an equidigital number, since it uses as much as digits as its factorization.

30442330231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30442330231 its reverse (13203324403), we get a palindrome (43645654634).

The spelling of 30442330231 in words is "thirty billion, four hundred forty-two million, three hundred thirty thousand, two hundred thirty-one".