120231311111313 has 4 divisors (see below), whose sum is σ = 160308414815088. Its totient is φ = 80154207407540.

The previous prime is 120231311111291. The next prime is 120231311111363. The reversal of 120231311111313 is 313111113132021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120231311111313 - 2¹⁶ = 120231311045777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120231311111363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20038551851883 + ... + 20038551851888.

It is an arithmetic number, because the mean of its divisors is an integer number (40077103703772).

Almost surely, 2^{120231311111313} is an apocalyptic number.

It is an amenable number.

120231311111313 is a deficient number, since it is larger than the sum of its proper divisors (40077103703775).

120231311111313 is an equidigital number, since it uses as much as digits as its factorization.

120231311111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40077103703774.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 120231311111313 its reverse (313111113132021), we get a palindrome (433342424243334).

The spelling of 120231311111313 in words is "one hundred twenty trillion, two hundred thirty-one billion, three hundred eleven million, one hundred eleven thousand, three hundred thirteen".