203002212313 has 8 divisors (see below), whose sum is σ = 206839153800. Its totient is φ = 199165519488.

The previous prime is 203002212299. The next prime is 203002212337. The reversal of 203002212313 is 313212200302.

It can be written as a sum of positive squares in 4 ways, for example, as 46037280969 + 156964931344 = 214563^2 + 396188^2 .

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 203002212313 - 2¹³ = 203002204121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203002282313) 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, 2964303 + ... + 3032011.

It is an arithmetic number, because the mean of its divisors is an integer number (25854894225).

Almost surely, 2^203002212313 is an apocalyptic number.

It is an amenable number.

203002212313 is a deficient number, since it is larger than the sum of its proper divisors (3836941487).

203002212313 is an equidigital number, since it uses as much as digits as its factorization.

203002212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124331.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203002212313 its reverse (313212200302), we get a palindrome (516214412615).

The spelling of 203002212313 in words is "two hundred three billion, two million, two hundred twelve thousand, three hundred thirteen".