11313112031 has 16 divisors (see below), whose sum is σ = 12844403040. Its totient is φ = 9877956480.

The previous prime is 11313112021. The next prime is 11313112049. The reversal of 11313112031 is 13021131311.

11313112031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11313112031 - 2⁶ = 11313111967 is a prime.

It is a super-2 number, since 2×11313112031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313112021) 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 15 ways as a sum of consecutive naturals, for example, 126221 + ... + 196361.

It is an arithmetic number, because the mean of its divisors is an integer number (802775190).

Almost surely, 2^11313112031 is an apocalyptic number.

11313112031 is a deficient number, since it is larger than the sum of its proper divisors (1531291009).

11313112031 is a wasteful number, since it uses less digits than its factorization.

11313112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70826.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11313112031 its reverse (13021131311), we get a palindrome (24334243342).

The spelling of 11313112031 in words is "eleven billion, three hundred thirteen million, one hundred twelve thousand, thirty-one".