30231002231 has 4 divisors (see below), whose sum is σ = 30237735192. Its totient is φ = 30224269272.

The previous prime is 30231002203. The next prime is 30231002297. The reversal of 30231002231 is 13220013203.

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 30231002231 - 2²⁶ = 30163893367 is a prime.

It is a super-2 number, since 2×30231002231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231002731) 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, 3359741 + ... + 3368726.

It is an arithmetic number, because the mean of its divisors is an integer number (7559433798).

Almost surely, 2^30231002231 is an apocalyptic number.

30231002231 is a deficient number, since it is larger than the sum of its proper divisors (6732961).

30231002231 is an equidigital number, since it uses as much as digits as its factorization.

30231002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732960.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30231002231 its reverse (13220013203), we get a palindrome (43451015434).

The spelling of 30231002231 in words is "thirty billion, two hundred thirty-one million, two thousand, two hundred thirty-one".