30231210113 has 4 divisors (see below), whose sum is σ = 32556687828. Its totient is φ = 27905732400.

The previous prime is 30231210049. The next prime is 30231210131. The reversal of 30231210113 is 31101213203.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14470165264 + 15761044849 = 120292^2 + 125543^2 .

It is not a de Polignac number, because 30231210113 - 2⁶ = 30231210049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231210091 and 30231210100.

It is not an unprimeable number, because it can be changed into a prime (30231210133) 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, 1162738838 + ... + 1162738863.

It is an arithmetic number, because the mean of its divisors is an integer number (8139171957).

Almost surely, 2^30231210113 is an apocalyptic number.

It is an amenable number.

30231210113 is a deficient number, since it is larger than the sum of its proper divisors (2325477715).

30231210113 is a wasteful number, since it uses less digits than its factorization.

30231210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325477714.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30231210113 its reverse (31101213203), we get a palindrome (61332423316).

The spelling of 30231210113 in words is "thirty billion, two hundred thirty-one million, two hundred ten thousand, one hundred thirteen".