203345412301 has 4 divisors (see below), whose sum is σ = 210357323100. Its totient is φ = 196333501504.

The previous prime is 203345412293. The next prime is 203345412343. The reversal of 203345412301 is 103214543302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175029273225 + 28316139076 = 418365^2 + 168274^2 .

It is a cyclic number.

It is not a de Polignac number, because 203345412301 - 2³ = 203345412293 is a prime.

It is a super-2 number, since 2×203345412301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203345412301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203345412601) 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, 3505955356 + ... + 3505955413.

It is an arithmetic number, because the mean of its divisors is an integer number (52589330775).

Almost surely, 2^203345412301 is an apocalyptic number.

It is an amenable number.

203345412301 is a deficient number, since it is larger than the sum of its proper divisors (7011910799).

203345412301 is an equidigital number, since it uses as much as digits as its factorization.

203345412301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011910798.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 203345412301 its reverse (103214543302), we get a palindrome (306559955603).

The spelling of 203345412301 in words is "two hundred three billion, three hundred forty-five million, four hundred twelve thousand, three hundred one".