30320102231 has 4 divisors (see below), whose sum is σ = 30523593000. Its totient is φ = 30116611464.

The previous prime is 30320102227. The next prime is 30320102233. The reversal of 30320102231 is 13220102303.

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 30320102231 - 2² = 30320102227 is a prime.

It is a super-2 number, since 2×30320102231² (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 (30320102233) 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, 101745161 + ... + 101745458.

It is an arithmetic number, because the mean of its divisors is an integer number (7630898250).

Almost surely, 2^30320102231 is an apocalyptic number.

30320102231 is a deficient number, since it is larger than the sum of its proper divisors (203490769).

30320102231 is a wasteful number, since it uses less digits than its factorization.

30320102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203490768.

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

Adding to 30320102231 its reverse (13220102303), we get a palindrome (43540204534).

The spelling of 30320102231 in words is "thirty billion, three hundred twenty million, one hundred two thousand, two hundred thirty-one".