13111233122031 has 32 divisors (see below), whose sum is σ = 19103943591936. Its totient is φ = 7932431052000.

The previous prime is 13111233122017. The next prime is 13111233122089. The reversal of 13111233122031 is 13022133211131.

It is not a de Polignac number, because 13111233122031 - 2⁶ = 13111233121967 is a prime.

It is a super-2 number, since 2×13111233122031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13111233121992 and 13111233122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111233122731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152110576 + ... + 152196746.

It is an arithmetic number, because the mean of its divisors is an integer number (596998237248).

Almost surely, 2^{13111233122031} is an apocalyptic number.

13111233122031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13111233122031 is a deficient number, since it is larger than the sum of its proper divisors (5992710469905).

13111233122031 is a wasteful number, since it uses less digits than its factorization.

13111233122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94123.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13111233122031 its reverse (13022133211131), we get a palindrome (26133366333162).

The spelling of 13111233122031 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-three million, one hundred twenty-two thousand, thirty-one".