30136492231 has 2 divisors, whose sum is σ = 30136492232. Its totient is φ = 30136492230.

The previous prime is 30136492207. The next prime is 30136492291. The reversal of 30136492231 is 13229463103.

It is a weak prime.

It is an emirp because it is prime and its reverse (13229463103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30136492231 - 2¹¹ = 30136490183 is a prime.

It is a super-2 number, since 2×30136492231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30136492201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15068246115 + 15068246116.

It is an arithmetic number, because the mean of its divisors is an integer number (15068246116).

Almost surely, 2^30136492231 is an apocalyptic number.

30136492231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30136492231 is an equidigital number, since it uses as much as digits as its factorization.

30136492231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 30136492231 in words is "thirty billion, one hundred thirty-six million, four hundred ninety-two thousand, two hundred thirty-one".