11310432403 has 4 divisors (see below), whose sum is σ = 11336553928. Its totient is φ = 11284310880.

The previous prime is 11310432391. The next prime is 11310432407. The reversal of 11310432403 is 30423401311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30423401311 = 29819 ⋅1020269.

It is a cyclic number.

It is not a de Polignac number, because 11310432403 - 2²¹ = 11308335251 is a prime.

It is a super-2 number, since 2×11310432403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310432407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13060113 + ... + 13060978.

It is an arithmetic number, because the mean of its divisors is an integer number (2834138482).

Almost surely, 2^11310432403 is an apocalyptic number.

11310432403 is a deficient number, since it is larger than the sum of its proper divisors (26121525).

11310432403 is an equidigital number, since it uses as much as digits as its factorization.

11310432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121524.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11310432403 its reverse (30423401311), we get a palindrome (41733833714).

The spelling of 11310432403 in words is "eleven billion, three hundred ten million, four hundred thirty-two thousand, four hundred three".