120103031311023 has 4 divisors (see below), whose sum is σ = 160137375081368. Its totient is φ = 80068687540680.

The previous prime is 120103031310967. The next prime is 120103031311069. The reversal of 120103031311023 is 320113130301021.

It is a happy number.

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

It is not a de Polignac number, because 120103031311023 - 2¹² = 120103031306927 is a prime.

It is a super-2 number, since 2×120103031311023² (a number of 29 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 (120103031311093) 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, 20017171885168 + ... + 20017171885173.

It is an arithmetic number, because the mean of its divisors is an integer number (40034343770342).

Almost surely, 2^{120103031311023} is an apocalyptic number.

120103031311023 is a deficient number, since it is larger than the sum of its proper divisors (40034343770345).

120103031311023 is an equidigital number, since it uses as much as digits as its factorization.

120103031311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40034343770344.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 120103031311023 its reverse (320113130301021), we get a palindrome (440216161612044).

The spelling of 120103031311023 in words is "one hundred twenty trillion, one hundred three billion, thirty-one million, three hundred eleven thousand, twenty-three".