163112331202103 has 4 divisors (see below), whose sum is σ = 163112951496768. Its totient is φ = 163111710907440.

The previous prime is 163112331202097. The next prime is 163112331202109. The reversal of 163112331202103 is 301202133211361.

163112331202103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (163112331202097) and next prime (163112331202109).

It is a cyclic number.

It is not a de Polignac number, because 163112331202103 - 2⁴⁴ = 145520145157687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163112331202109) 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, 309752726 + ... + 310278867.

It is an arithmetic number, because the mean of its divisors is an integer number (40778237874192).

Almost surely, 2^{163112331202103} is an apocalyptic number.

163112331202103 is a deficient number, since it is larger than the sum of its proper divisors (620294665).

163112331202103 is an equidigital number, since it uses as much as digits as its factorization.

163112331202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620294664.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 163112331202103 its reverse (301202133211361), we get a palindrome (464314464413464).

The spelling of 163112331202103 in words is "one hundred sixty-three trillion, one hundred twelve billion, three hundred thirty-one million, two hundred two thousand, one hundred three".