113222012031 has 8 divisors (see below), whose sum is σ = 167736314160. Its totient is φ = 75481341336.

The previous prime is 113222012009. The next prime is 113222012179. The reversal of 113222012031 is 130210222311.

It is not a de Polignac number, because 113222012031 - 2³³ = 104632077439 is a prime.

It is a super-2 number, since 2×113222012031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113222011995 and 113222012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222011031) 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, 2096703900 + ... + 2096703953.

It is an arithmetic number, because the mean of its divisors is an integer number (20967039270).

Almost surely, 2^113222012031 is an apocalyptic number.

113222012031 is a deficient number, since it is larger than the sum of its proper divisors (54514302129).

113222012031 is an equidigital number, since it uses as much as digits as its factorization.

113222012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193407862 (or 4193407856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113222012031 its reverse (130210222311), we get a palindrome (243432234342).

The spelling of 113222012031 in words is "one hundred thirteen billion, two hundred twenty-two million, twelve thousand, thirty-one".