120304213231 has 4 divisors (see below), whose sum is σ = 120512713312. Its totient is φ = 120095713152.

The previous prime is 120304213213. The next prime is 120304213273. The reversal of 120304213231 is 132312403021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120304213231 is a prime.

It is a super-2 number, since 2×120304213231² (a number of 23 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 (120304211231) 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, 104249175 + ... + 104250328.

It is an arithmetic number, because the mean of its divisors is an integer number (30128178328).

Almost surely, 2^120304213231 is an apocalyptic number.

120304213231 is a deficient number, since it is larger than the sum of its proper divisors (208500081).

120304213231 is an equidigital number, since it uses as much as digits as its factorization.

120304213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208500080.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 120304213231 its reverse (132312403021), we get a palindrome (252616616252).

The spelling of 120304213231 in words is "one hundred twenty billion, three hundred four million, two hundred thirteen thousand, two hundred thirty-one".