1301023013 has 4 divisors (see below), whose sum is σ = 1301936160. Its totient is φ = 1300109868.

The previous prime is 1301023001. The next prime is 1301023021. The reversal of 1301023013 is 3103201031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1301023013 - 2⁴ = 1301022997 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 (1301023063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454433 + ... + 457286.

It is an arithmetic number, because the mean of its divisors is an integer number (325484040).

Almost surely, 2^1301023013 is an apocalyptic number.

It is an amenable number.

1301023013 is a deficient number, since it is larger than the sum of its proper divisors (913147).

1301023013 is an equidigital number, since it uses as much as digits as its factorization.

1301023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913146.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1301023013 is about 36069.6966025499. The cubic root of 1301023013 is about 1091.6790923849.

Adding to 1301023013 its reverse (3103201031), we get a palindrome (4404224044).

The spelling of 1301023013 in words is "one billion, three hundred one million, twenty-three thousand, thirteen".