120031023103 has 4 divisors (see below), whose sum is σ = 120031733520. Its totient is φ = 120030312688.

The previous prime is 120031023053. The next prime is 120031023169. The reversal of 120031023103 is 301320130021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120031023103 - 2¹³ = 120031014911 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 (120031023503) 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, 60051 + ... + 493627.

It is an arithmetic number, because the mean of its divisors is an integer number (30007933380).

Almost surely, 2^120031023103 is an apocalyptic number.

120031023103 is a deficient number, since it is larger than the sum of its proper divisors (710417).

120031023103 is an equidigital number, since it uses as much as digits as its factorization.

120031023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710416.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120031023103 its reverse (301320130021), we get a palindrome (421351153124).

The spelling of 120031023103 in words is "one hundred twenty billion, thirty-one million, twenty-three thousand, one hundred three".