203322204021413 has 8 divisors (see below), whose sum is σ = 210333889927800. Its totient is φ = 196310556476608.

The previous prime is 203322204021271. The next prime is 203322204021427. The reversal of 203322204021413 is 314120402223302.

It can be written as a sum of positive squares in 4 ways, for example, as 6313525604929 + 197008678416484 = 2512673^2 + 14035978^2 .

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 203322204021413 - 2³⁴ = 203305024152229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203322204026413) 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, 1406423 + ... + 20214411.

It is an arithmetic number, because the mean of its divisors is an integer number (26291736240975).

Almost surely, 2^{203322204021413} is an apocalyptic number.

It is an amenable number.

203322204021413 is a deficient number, since it is larger than the sum of its proper divisors (7011685906387).

203322204021413 is a wasteful number, since it uses less digits than its factorization.

203322204021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180791.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203322204021413 its reverse (314120402223302), we get a palindrome (517442606244715).

The spelling of 203322204021413 in words is "two hundred three trillion, three hundred twenty-two billion, two hundred four million, twenty-one thousand, four hundred thirteen".