120331321003 has 4 divisors (see below), whose sum is σ = 120337900128. Its totient is φ = 120324741880.

The previous prime is 120331320997. The next prime is 120331321009. The reversal of 120331321003 is 300123133021.

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

It is an interprime number because it is at equal distance from previous prime (120331320997) and next prime (120331321009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120331321003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120331321009) 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, 3262051 + ... + 3298732.

It is an arithmetic number, because the mean of its divisors is an integer number (30084475032).

Almost surely, 2^120331321003 is an apocalyptic number.

120331321003 is a deficient number, since it is larger than the sum of its proper divisors (6579125).

120331321003 is an equidigital number, since it uses as much as digits as its factorization.

120331321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579124.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 120331321003 its reverse (300123133021), we get a palindrome (420454454024).

The spelling of 120331321003 in words is "one hundred twenty billion, three hundred thirty-one million, three hundred twenty-one thousand, three".