19140303313 has 4 divisors (see below), whose sum is σ = 19141824420. Its totient is φ = 19138782208.

The previous prime is 19140303283. The next prime is 19140303331. The reversal of 19140303313 is 31330304191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31330304191 = 79 ⋅396586129.

It can be written as a sum of positive squares in 2 ways, for example, as 1538443729 + 17601859584 = 39223^2 + 132672^2 .

It is a cyclic number.

It is not a de Polignac number, because 19140303313 - 2⁹ = 19140302801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19140303713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741520 + ... + 766897.

It is an arithmetic number, because the mean of its divisors is an integer number (4785456105).

Almost surely, 2^19140303313 is an apocalyptic number.

It is an amenable number.

19140303313 is a deficient number, since it is larger than the sum of its proper divisors (1521107).

19140303313 is a wasteful number, since it uses less digits than its factorization.

19140303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521106.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 19140303313 in words is "nineteen billion, one hundred forty million, three hundred three thousand, three hundred thirteen".