201301321013 has 6 divisors (see below), whose sum is σ = 217977170274. Its totient is φ = 185816603856.

The previous prime is 201301321003. The next prime is 201301321019. The reversal of 201301321013 is 310123103102.

It can be written as a sum of positive squares in 3 ways, for example, as 10714941169 + 190586379844 = 103513^2 + 436562^2 .

It is not a de Polignac number, because 201301321013 - 2⁸ = 201301320757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201301320982 and 201301321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201301321019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595565870 + ... + 595566207.

It is an arithmetic number, because the mean of its divisors is an integer number (36329528379).

Almost surely, 2^201301321013 is an apocalyptic number.

It is an amenable number.

201301321013 is a deficient number, since it is larger than the sum of its proper divisors (16675849261).

201301321013 is a wasteful number, since it uses less digits than its factorization.

201301321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191132103 (or 1191132090 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201301321013 its reverse (310123103102), we get a palindrome (511424424115).

The spelling of 201301321013 in words is "two hundred one billion, three hundred one million, three hundred twenty-one thousand, thirteen".