203232223312213 has 4 divisors (see below), whose sum is σ = 203232738840768. Its totient is φ = 203231707783660.

The previous prime is 203232223312199. The next prime is 203232223312241. The reversal of 203232223312213 is 312213322232302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203232223312213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203232223312243) 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, 257172493 + ... + 257961538.

It is an arithmetic number, because the mean of its divisors is an integer number (50808184710192).

Almost surely, 2^{203232223312213} is an apocalyptic number.

It is an amenable number.

203232223312213 is a deficient number, since it is larger than the sum of its proper divisors (515528555).

203232223312213 is an equidigital number, since it uses as much as digits as its factorization.

203232223312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515528554.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 203232223312213 its reverse (312213322232302), we get a palindrome (515445545544515).

The spelling of 203232223312213 in words is "two hundred three trillion, two hundred thirty-two billion, two hundred twenty-three million, three hundred twelve thousand, two hundred thirteen".