120213223031 has 24 divisors (see below), whose sum is σ = 133534913232. Its totient is φ = 108128592000.

The previous prime is 120213223001. The next prime is 120213223063. The reversal of 120213223031 is 130322312021.

It is not a de Polignac number, because 120213223031 - 2¹⁰ = 120213222007 is a prime.

It is a super-2 number, since 2×120213223031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120213222994 and 120213223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213223001) 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 23 ways as a sum of consecutive naturals, for example, 26113976 + ... + 26118578.

It is an arithmetic number, because the mean of its divisors is an integer number (5563954718).

Almost surely, 2^120213223031 is an apocalyptic number.

120213223031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120213223031 is a deficient number, since it is larger than the sum of its proper divisors (13321690201).

120213223031 is a wasteful number, since it uses less digits than its factorization.

120213223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120213223031 its reverse (130322312021), we get a palindrome (250535535052).

The spelling of 120213223031 in words is "one hundred twenty billion, two hundred thirteen million, two hundred twenty-three thousand, thirty-one".