203213130313 has 2 divisors, whose sum is σ = 203213130314. Its totient is φ = 203213130312.

The previous prime is 203213130283. The next prime is 203213130319. The reversal of 203213130313 is 313031312302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200249090064 + 2964040249 = 447492^2 + 54443^2 .

It is a cyclic number.

It is not a de Polignac number, because 203213130313 - 2³³ = 194623195721 is a prime.

It is not a weakly prime, because it can be changed into another prime (203213130319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101606565156 + 101606565157.

It is an arithmetic number, because the mean of its divisors is an integer number (101606565157).

Almost surely, 2^203213130313 is an apocalyptic number.

It is an amenable number.

203213130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

203213130313 is an equidigital number, since it uses as much as digits as its factorization.

203213130313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 203213130313 its reverse (313031312302), we get a palindrome (516244442615).

The spelling of 203213130313 in words is "two hundred three billion, two hundred thirteen million, one hundred thirty thousand, three hundred thirteen".