100312012003 has 16 divisors (see below), whose sum is σ = 116371727104. Its totient is φ = 84685059360.

The previous prime is 100312011977. The next prime is 100312012007. The reversal of 100312012003 is 300210213001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100312012003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100312012007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3958393 + ... + 3983653.

It is an arithmetic number, because the mean of its divisors is an integer number (7273232944).

Almost surely, 2^100312012003 is an apocalyptic number.

100312012003 is a deficient number, since it is larger than the sum of its proper divisors (16059715101).

100312012003 is an equidigital number, since it uses as much as digits as its factorization.

100312012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33802.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100312012003 its reverse (300210213001), we get a palindrome (400522225004).

The spelling of 100312012003 in words is "one hundred billion, three hundred twelve million, twelve thousand, three".