1301020013 has 16 divisors (see below), whose sum is σ = 1390120704. Its totient is φ = 1213367040.

The previous prime is 1301020009. The next prime is 1301020027. The reversal of 1301020013 is 3100201031.

It is a cyclic number.

It is not a de Polignac number, because 1301020013 - 2² = 1301020009 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 = 1301019976 and 1301020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301020073) 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, 1382123 + ... + 1383063.

It is an arithmetic number, because the mean of its divisors is an integer number (86882544).

Almost surely, 2^1301020013 is an apocalyptic number.

It is an amenable number.

1301020013 is a deficient number, since it is larger than the sum of its proper divisors (89100691).

1301020013 is a wasteful number, since it uses less digits than its factorization.

1301020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1301020013 is about 36069.6550163708. The cubic root of 1301020013 is about 1091.6782532914.

Adding to 1301020013 its reverse (3100201031), we get a palindrome (4401221044).

The spelling of 1301020013 in words is "one billion, three hundred one million, twenty thousand, thirteen".