120311312303 has 8 divisors (see below), whose sum is σ = 148075461408. Its totient is φ = 95191367904.

The previous prime is 120311312269. The next prime is 120311312311. The reversal of 120311312303 is 303213113021.

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

It is a cyclic number.

It is not a de Polignac number, because 120311312303 - 2⁸ = 120311312047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311312353) 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, 661051076 + ... + 661051257.

It is an arithmetic number, because the mean of its divisors is an integer number (18509432676).

Almost surely, 2^120311312303 is an apocalyptic number.

120311312303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120311312303 is a deficient number, since it is larger than the sum of its proper divisors (27764149105).

120311312303 is a wasteful number, since it uses less digits than its factorization.

120311312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322102353.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120311312303 its reverse (303213113021), we get a palindrome (423524425324).

The spelling of 120311312303 in words is "one hundred twenty billion, three hundred eleven million, three hundred twelve thousand, three hundred three".