120231021313 has 8 divisors (see below), whose sum is σ = 129501962856. Its totient is φ = 110963280000.

The previous prime is 120231021301. The next prime is 120231021347. The reversal of 120231021313 is 313120132021.

It can be written as a sum of positive squares in 4 ways, for example, as 4934781504 + 115296239809 = 70248^2 + 339553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120231021313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120231021373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721738 + ... + 872563.

It is an arithmetic number, because the mean of its divisors is an integer number (16187745357).

Almost surely, 2^120231021313 is an apocalyptic number.

120231021313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120231021313 is a deficient number, since it is larger than the sum of its proper divisors (9270941543).

120231021313 is a wasteful number, since it uses less digits than its factorization.

120231021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600115.

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

Adding to 120231021313 its reverse (313120132021), we get a palindrome (433351153334).

The spelling of 120231021313 in words is "one hundred twenty billion, two hundred thirty-one million, twenty-one thousand, three hundred thirteen".