312213101203 has 16 divisors (see below), whose sum is σ = 339168386880. Its totient is φ = 286504073856.

The previous prime is 312213101131. The next prime is 312213101219. The reversal of 312213101203 is 302101312213.

It is a cyclic number.

It is not a de Polignac number, because 312213101203 - 2²¹ = 312211004051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312213101273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386000 + ... + 1595437.

It is an arithmetic number, because the mean of its divisors is an integer number (21198024180).

Almost surely, 2^312213101203 is an apocalyptic number.

312213101203 is a deficient number, since it is larger than the sum of its proper divisors (26955285677).

312213101203 is a wasteful number, since it uses less digits than its factorization.

312213101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981646.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312213101203 its reverse (302101312213), we get a palindrome (614314413416).

The spelling of 312213101203 in words is "three hundred twelve billion, two hundred thirteen million, one hundred one thousand, two hundred three".