312030102203 has 4 divisors (see below), whose sum is σ = 312227216928. Its totient is φ = 311832987480.

The previous prime is 312030102199. The next prime is 312030102211. The reversal of 312030102203 is 302201030213.

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

It is a cyclic number.

It is not a de Polignac number, because 312030102203 - 2² = 312030102199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312030102803) 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, 98554988 + ... + 98558153.

It is an arithmetic number, because the mean of its divisors is an integer number (78056804232).

Almost surely, 2^312030102203 is an apocalyptic number.

312030102203 is a deficient number, since it is larger than the sum of its proper divisors (197114725).

312030102203 is a wasteful number, since it uses less digits than its factorization.

312030102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197114724.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 312030102203 its reverse (302201030213), we get a palindrome (614231132416).

The spelling of 312030102203 in words is "three hundred twelve billion, thirty million, one hundred two thousand, two hundred three".