112202131031 has 4 divisors (see below), whose sum is σ = 112206791112. Its totient is φ = 112197470952.

The previous prime is 112202131021. The next prime is 112202131037. The reversal of 112202131031 is 130131202211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112202131031 is a prime.

It is a super-2 number, since 2×112202131031² (a number of 23 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 (112202131037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293736 + ... + 2342141.

It is an arithmetic number, because the mean of its divisors is an integer number (28051697778).

Almost surely, 2^112202131031 is an apocalyptic number.

112202131031 is a deficient number, since it is larger than the sum of its proper divisors (4660081).

112202131031 is an equidigital number, since it uses as much as digits as its factorization.

112202131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660080.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112202131031 its reverse (130131202211), we get a palindrome (242333333242).

The spelling of 112202131031 in words is "one hundred twelve billion, two hundred two million, one hundred thirty-one thousand, thirty-one".