30231312113 has 2 divisors, whose sum is σ = 30231312114. Its totient is φ = 30231312112.

The previous prime is 30231312101. The next prime is 30231312149. The reversal of 30231312113 is 31121313203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19405325809 + 10825986304 = 139303^2 + 104048^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231312113 - 2⁶ = 30231312049 is a prime.

It is not a weakly prime, because it can be changed into another prime (30230312113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115656056 + 15115656057.

It is an arithmetic number, because the mean of its divisors is an integer number (15115656057).

Almost surely, 2^30231312113 is an apocalyptic number.

It is an amenable number.

30231312113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231312113 is an equidigital number, since it uses as much as digits as its factorization.

30231312113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30231312113 its reverse (31121313203), we get a palindrome (61352625316).

The spelling of 30231312113 in words is "thirty billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirteen".