120331003 has 8 divisors (see below), whose sum is σ = 130132800. Its totient is φ = 110607168.

The previous prime is 120330997. The next prime is 120331039. The reversal of 120331003 is 300133021.

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 120331003 - 2¹⁷ = 120199931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120331303) 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, 16258 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (16266600).

Almost surely, 2^120331003 is an apocalyptic number.

120331003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120331003 is a deficient number, since it is larger than the sum of its proper divisors (9801797).

120331003 is a wasteful number, since it uses less digits than its factorization.

120331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38981.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 120331003 is about 10969.5488968325. The cubic root of 120331003 is about 493.6955116285.

Adding to 120331003 its reverse (300133021), we get a palindrome (420464024).

The spelling of 120331003 in words is "one hundred twenty million, three hundred thirty-one thousand, three".