11303112031 has 8 divisors (see below), whose sum is σ = 12136565664. Its totient is φ = 10488387840.

The previous prime is 11303112013. The next prime is 11303112061. The reversal of 11303112031 is 13021130311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11303112031 - 2²⁵ = 11269557599 is a prime.

It is a super-2 number, since 2×11303112031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11303111996 and 11303112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681110 + ... + 4683523.

It is an arithmetic number, because the mean of its divisors is an integer number (1517070708).

Almost surely, 2^11303112031 is an apocalyptic number.

11303112031 is a deficient number, since it is larger than the sum of its proper divisors (833453633).

11303112031 is an equidigital number, since it uses as much as digits as its factorization.

11303112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364721.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11303112031 its reverse (13021130311), we get a palindrome (24324242342).

The spelling of 11303112031 in words is "eleven billion, three hundred three million, one hundred twelve thousand, thirty-one".