103112217831 has 16 divisors (see below), whose sum is σ = 159786489600. Its totient is φ = 57922601088.

The previous prime is 103112217797. The next prime is 103112217833. The reversal of 103112217831 is 138712211301.

It is not a de Polignac number, because 103112217831 - 2⁹ = 103112217319 is a prime.

It is a super-2 number, since 2×103112217831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112217833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41609826 + ... + 41612303.

It is an arithmetic number, because the mean of its divisors is an integer number (9986655600).

Almost surely, 2^103112217831 is an apocalyptic number.

103112217831 is a deficient number, since it is larger than the sum of its proper divisors (56674271769).

103112217831 is an equidigital number, since it uses as much as digits as its factorization.

103112217831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83222198.

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 103112217831 in words is "one hundred three billion, one hundred twelve million, two hundred seventeen thousand, eight hundred thirty-one".