11203113130331 has 4 divisors (see below), whose sum is σ = 11203119875952. Its totient is φ = 11203106384712.

The previous prime is 11203113130301. The next prime is 11203113130351. The reversal of 11203113130331 is 13303131130211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11203113130331 - 2²⁶ = 11203046021467 is a prime.

It is a super-2 number, since 2×11203113130331² (a number of 27 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 = 11203113130297 and 11203113130306.

It is not an unprimeable number, because it can be changed into a prime (11203113130301) 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, 1062986 + ... + 4851408.

It is an arithmetic number, because the mean of its divisors is an integer number (2800779968988).

Almost surely, 2^{11203113130331} is an apocalyptic number.

11203113130331 is a deficient number, since it is larger than the sum of its proper divisors (6745621).

11203113130331 is an equidigital number, since it uses as much as digits as its factorization.

11203113130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745620.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 11203113130331 its reverse (13303131130211), we get a palindrome (24506244260542).

The spelling of 11203113130331 in words is "eleven trillion, two hundred three billion, one hundred thirteen million, one hundred thirty thousand, three hundred thirty-one".