1013613313 has 4 divisors (see below), whose sum is σ = 1013690368. Its totient is φ = 1013536260.

The previous prime is 1013613299. The next prime is 1013613323. The reversal of 1013613313 is 3133163101.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013613313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013613323) 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, 13281 + ... + 46942.

It is an arithmetic number, because the mean of its divisors is an integer number (253422592).

Almost surely, 2^1013613313 is an apocalyptic number.

It is an amenable number.

1013613313 is a deficient number, since it is larger than the sum of its proper divisors (77055).

1013613313 is an equidigital number, since it uses as much as digits as its factorization.

1013613313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77054.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1013613313 is about 31837.2943731090. The cubic root of 1013613313 is about 1004.5173339665.

Adding to 1013613313 its reverse (3133163101), we get a palindrome (4146776414).

The spelling of 1013613313 in words is "one billion, thirteen million, six hundred thirteen thousand, three hundred thirteen".