30113113231 has 2 divisors, whose sum is σ = 30113113232. Its totient is φ = 30113113230.

The previous prime is 30113113207. The next prime is 30113113253. The reversal of 30113113231 is 13231131103.

It is a strong prime.

It is an emirp because it is prime and its reverse (13231131103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30113113231 - 2¹⁵ = 30113080463 is a prime.

It is a super-2 number, since 2×30113113231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30113113199 and 30113113208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113113291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056556615 + 15056556616.

It is an arithmetic number, because the mean of its divisors is an integer number (15056556616).

Almost surely, 2^30113113231 is an apocalyptic number.

30113113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113113231 is an equidigital number, since it uses as much as digits as its factorization.

30113113231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30113113231 its reverse (13231131103), we get a palindrome (43344244334).

The spelling of 30113113231 in words is "thirty billion, one hundred thirteen million, one hundred thirteen thousand, two hundred thirty-one".