203312001301 has 8 divisors (see below), whose sum is σ = 205700788440. Its totient is φ = 200925533952.

The previous prime is 203312001289. The next prime is 203312001307. The reversal of 203312001301 is 103100213302.

It can be written as a sum of positive squares in 4 ways, for example, as 28165566276 + 175146435025 = 167826^2 + 418505^2 .

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 203312001301 - 2⁹ = 203312000789 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 (203312001307) 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, 403320 + ... + 754513.

It is an arithmetic number, because the mean of its divisors is an integer number (25712598555).

Almost surely, 2^203312001301 is an apocalyptic number.

It is an amenable number.

203312001301 is a deficient number, since it is larger than the sum of its proper divisors (2388787139).

203312001301 is a wasteful number, since it uses less digits than its factorization.

203312001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159895.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203312001301 its reverse (103100213302), we get a palindrome (306412214603).

The spelling of 203312001301 in words is "two hundred three billion, three hundred twelve million, one thousand, three hundred one".