30523109819 has 2 divisors, whose sum is σ = 30523109820. Its totient is φ = 30523109818.

The previous prime is 30523109807. The next prime is 30523109821. The reversal of 30523109819 is 91890132503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30523109819 - 2⁸ = 30523109563 is a prime.

It is a super-2 number, since 2×30523109819² (a number of 22 digits) contains 22 as substring.

Together with 30523109821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30523109839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261554909 + 15261554910.

It is an arithmetic number, because the mean of its divisors is an integer number (15261554910).

Almost surely, 2^30523109819 is an apocalyptic number.

30523109819 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523109819 is an equidigital number, since it uses as much as digits as its factorization.

30523109819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 30523109819 in words is "thirty billion, five hundred twenty-three million, one hundred nine thousand, eight hundred nineteen".