1313020211 has 16 divisors (see below), whose sum is σ = 1456444800. Its totient is φ = 1178032128.

The previous prime is 1313020201. The next prime is 1313020223. The reversal of 1313020211 is 1120203131.

It is a cyclic number.

It is not a de Polignac number, because 1313020211 - 2¹⁴ = 1313003827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22091 + ... + 55803.

It is an arithmetic number, because the mean of its divisors is an integer number (91027800).

Almost surely, 2^1313020211 is an apocalyptic number.

1313020211 is a deficient number, since it is larger than the sum of its proper divisors (143424589).

1313020211 is a wasteful number, since it uses less digits than its factorization.

1313020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33838.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1313020211 is about 36235.6207480981. The cubic root of 1313020211 is about 1095.0244181846.

Adding to 1313020211 its reverse (1120203131), we get a palindrome (2433223342).

The spelling of 1313020211 in words is "one billion, three hundred thirteen million, twenty thousand, two hundred eleven".