13330031403 has 32 divisors (see below), whose sum is σ = 20292063232. Its totient is φ = 7723900800.

The previous prime is 13330031399. The next prime is 13330031447. The reversal of 13330031403 is 30413003331.

It is not a de Polignac number, because 13330031403 - 2² = 13330031399 is a prime.

It is a super-2 number, since 2×13330031403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13330031403.

It is not an unprimeable number, because it can be changed into a prime (13330033403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104263 + ... + 193728.

It is an arithmetic number, because the mean of its divisors is an integer number (634126976).

Almost surely, 2^13330031403 is an apocalyptic number.

13330031403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13330031403 is a deficient number, since it is larger than the sum of its proper divisors (6962031829).

13330031403 is a wasteful number, since it uses less digits than its factorization.

13330031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298075.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13330031403 its reverse (30413003331), we get a palindrome (43743034734).

The spelling of 13330031403 in words is "thirteen billion, three hundred thirty million, thirty-one thousand, four hundred three".