11403031319 has 4 divisors (see below), whose sum is σ = 11445422040. Its totient is φ = 11360640600.

The previous prime is 11403031309. The next prime is 11403031349. The reversal of 11403031319 is 91313030411.

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 11403031319 - 2²⁰ = 11401982743 is a prime.

It is a super-2 number, since 2×11403031319² (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 (11403031309) 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, 21194957 + ... + 21195494.

It is an arithmetic number, because the mean of its divisors is an integer number (2861355510).

Almost surely, 2^11403031319 is an apocalyptic number.

11403031319 is a deficient number, since it is larger than the sum of its proper divisors (42390721).

11403031319 is an equidigital number, since it uses as much as digits as its factorization.

11403031319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42390720.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 11403031319 in words is "eleven billion, four hundred three million, thirty-one thousand, three hundred nineteen".