19012310113 has 2 divisors, whose sum is σ = 19012310114. Its totient is φ = 19012310112.

The previous prime is 19012310101. The next prime is 19012310123. The reversal of 19012310113 is 31101321091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10114727184 + 8897582929 = 100572^2 + 94327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19012310113 is a prime.

It is a super-2 number, since 2×19012310113² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19012310123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9506155056 + 9506155057.

It is an arithmetic number, because the mean of its divisors is an integer number (9506155057).

Almost surely, 2^19012310113 is an apocalyptic number.

It is an amenable number.

19012310113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19012310113 is an equidigital number, since it uses as much as digits as its factorization.

19012310113 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 22.

The spelling of 19012310113 in words is "nineteen billion, twelve million, three hundred ten thousand, one hundred thirteen".