113222031 has 16 divisors (see below), whose sum is σ = 169645056. Its totient is φ = 66645216.

The previous prime is 113222017. The next prime is 113222059. The reversal of 113222031 is 130222311.

It is not a de Polignac number, because 113222031 - 2⁹ = 113221519 is a prime.

It is a super-2 number, since 2×113222031² = 25638456607529922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113222031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222531) 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, 62215 + ... + 64008.

It is an arithmetic number, because the mean of its divisors is an integer number (10602816).

Almost surely, 2^113222031 is an apocalyptic number.

113222031 is a deficient number, since it is larger than the sum of its proper divisors (56423025).

113222031 is a wasteful number, since it uses less digits than its factorization.

113222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126262.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113222031 is about 10640.5841474987. The cubic root of 113222031 is about 483.7752511040.

Adding to 113222031 its reverse (130222311), we get a palindrome (243444342).

The spelling of 113222031 in words is "one hundred thirteen million, two hundred twenty-two thousand, thirty-one".