9913231319 has 4 divisors (see below), whose sum is σ = 9914301696. Its totient is φ = 9912160944.

The previous prime is 9913231303. The next prime is 9913231331. The reversal of 9913231319 is 9131323199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9913231319 - 2⁴ = 9913231303 is a prime.

It is a super-2 number, since 2×9913231319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913230319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521174 + ... + 539859.

It is an arithmetic number, because the mean of its divisors is an integer number (2478575424).

Almost surely, 2^9913231319 is an apocalyptic number.

9913231319 is a deficient number, since it is larger than the sum of its proper divisors (1070377).

9913231319 is a wasteful number, since it uses less digits than its factorization.

9913231319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070376.

The product of its digits is 39366, while the sum is 41.

The square root of 9913231319 is about 99565.2113893201. The cubic root of 9913231319 is about 2148.1853315296.

The spelling of 9913231319 in words is "nine billion, nine hundred thirteen million, two hundred thirty-one thousand, three hundred nineteen".