19311349300 has 36 divisors (see below), whose sum is σ = 42297292800. Its totient is φ = 7652343520.

The previous prime is 19311349229. The next prime is 19311349301. The reversal of 19311349300 is 394311391.

It is a happy number.

It is a super-2 number, since 2×19311349300² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19311349301) 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 11 ways as a sum of consecutive naturals, for example, 891700 + ... + 913099.

It is an arithmetic number, because the mean of its divisors is an integer number (1174924800).

Almost surely, 2^19311349300 is an apocalyptic number.

19311349300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19311349300 is an abundant number, since it is smaller than the sum of its proper divisors (22985943500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19311349300 is a wasteful number, since it uses less digits than its factorization.

19311349300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804920 (or 1804913 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 19311349300 in words is "nineteen billion, three hundred eleven million, three hundred forty-nine thousand, three hundred".