120223031311 has 4 divisors (see below), whose sum is σ = 120233241000. Its totient is φ = 120212821624.

The previous prime is 120223031251. The next prime is 120223031347. The reversal of 120223031311 is 113130322021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113130322021 = 2539 ⋅44557039.

It is a cyclic number.

It is not a de Polignac number, because 120223031311 - 2¹³ = 120223023119 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 (120223031351) 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, 5087161 + ... + 5110738.

It is an arithmetic number, because the mean of its divisors is an integer number (30058310250).

Almost surely, 2^120223031311 is an apocalyptic number.

120223031311 is a deficient number, since it is larger than the sum of its proper divisors (10209689).

120223031311 is a wasteful number, since it uses less digits than its factorization.

120223031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209688.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120223031311 its reverse (113130322021), we get a palindrome (233353353332).

The spelling of 120223031311 in words is "one hundred twenty billion, two hundred twenty-three million, thirty-one thousand, three hundred eleven".