30231322102 has 4 divisors (see below), whose sum is σ = 45346983156. Its totient is φ = 15115661050.

The previous prime is 30231322063. The next prime is 30231322183. The reversal of 30231322102 is 20122313203.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30231322102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557830524 + ... + 7557830527.

It is an arithmetic number, because the mean of its divisors is an integer number (11336745789).

Almost surely, 2^30231322102 is an apocalyptic number.

30231322102 is a deficient number, since it is larger than the sum of its proper divisors (15115661054).

30231322102 is a wasteful number, since it uses less digits than its factorization.

30231322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115661053.

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

Adding to 30231322102 its reverse (20122313203), we get a palindrome (50353635305).

It can be divided in two parts, 302313 and 22102, that added together give a triangular number (324415 = T₈₀₅).

The spelling of 30231322102 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred two".