19012310103 has 16 divisors (see below), whose sum is σ = 26045762400. Its totient is φ = 12327152256.

The previous prime is 19012310101. The next prime is 19012310113. The reversal of 19012310103 is 30101321091.

It is not a de Polignac number, because 19012310103 - 2¹ = 19012310101 is a prime.

It is a super-2 number, since 2×19012310103² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19012310103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19012310101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240373 + ... + 309521.

It is an arithmetic number, because the mean of its divisors is an integer number (1627860150).

Almost surely, 2^19012310103 is an apocalyptic number.

19012310103 is a deficient number, since it is larger than the sum of its proper divisors (7033452297).

19012310103 is a wasteful number, since it uses less digits than its factorization.

19012310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71666.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 19012310103 its reverse (30101321091), we get a palindrome (49113631194).

The spelling of 19012310103 in words is "nineteen billion, twelve million, three hundred ten thousand, one hundred three".