11313133031 has 4 divisors (see below), whose sum is σ = 11576229192. Its totient is φ = 11050036872.

The previous prime is 11313133019. The next prime is 11313133043. The reversal of 11313133031 is 13033131311.

11313133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11313133019) and next prime (11313133043).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11313133031 is a prime.

It is a super-2 number, since 2×11313133031² (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 = 11313132994 and 11313133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313133001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131548016 + ... + 131548101.

It is an arithmetic number, because the mean of its divisors is an integer number (2894057298).

Almost surely, 2^11313133031 is an apocalyptic number.

11313133031 is a deficient number, since it is larger than the sum of its proper divisors (263096161).

11313133031 is an equidigital number, since it uses as much as digits as its factorization.

11313133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263096160.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 11313133031 its reverse (13033131311), we get a palindrome (24346264342).

The spelling of 11313133031 in words is "eleven billion, three hundred thirteen million, one hundred thirty-three thousand, thirty-one".