112103320321031 has 4 divisors (see below), whose sum is σ = 120726652653432. Its totient is φ = 103479987988632.

The previous prime is 112103320320961. The next prime is 112103320321043. The reversal of 112103320321031 is 130123023301211.

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

It is a cyclic number.

It is not a de Polignac number, because 112103320321031 - 2¹⁰ = 112103320320007 is a prime.

It is a super-2 number, since 2×112103320321031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112103320320988 and 112103320321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112103320321051) 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, 4311666166181 + ... + 4311666166206.

It is an arithmetic number, because the mean of its divisors is an integer number (30181663163358).

Almost surely, 2^{112103320321031} is an apocalyptic number.

112103320321031 is a deficient number, since it is larger than the sum of its proper divisors (8623332332401).

112103320321031 is an equidigital number, since it uses as much as digits as its factorization.

112103320321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623332332400.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 112103320321031 its reverse (130123023301211), we get a palindrome (242226343622242).

The spelling of 112103320321031 in words is "one hundred twelve trillion, one hundred three billion, three hundred twenty million, three hundred twenty-one thousand, thirty-one".