1013320201 has 2 divisors, whose sum is σ = 1013320202. Its totient is φ = 1013320200.

The previous prime is 1013320199. The next prime is 1013320211. The reversal of 1013320201 is 1020233101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687698176 + 325622025 = 26224^2 + 18045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013320201 - 2¹ = 1013320199 is a prime.

Together with 1013320199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1013320211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660100 + 506660101.

It is an arithmetic number, because the mean of its divisors is an integer number (506660101).

Almost surely, 2^1013320201 is an apocalyptic number.

It is an amenable number.

1013320201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013320201 is an equidigital number, since it uses as much as digits as its factorization.

1013320201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1013320201 is about 31832.6907596578. The cubic root of 1013320201 is about 1004.4204974093.

Adding to 1013320201 its reverse (1020233101), we get a palindrome (2033553302).

The spelling of 1013320201 in words is "one billion, thirteen million, three hundred twenty thousand, two hundred one".