1020113313 has 8 divisors (see below), whose sum is σ = 1385814528. Its totient is φ = 667243824.

The previous prime is 1020113299. The next prime is 1020113317. The reversal of 1020113313 is 3133110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020113313 - 2⁸ = 1020113057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020113292 and 1020113301.

It is not an unprimeable number, because it can be changed into a prime (1020113317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207745 + ... + 3208062.

It is an arithmetic number, because the mean of its divisors is an integer number (173226816).

Almost surely, 2^1020113313 is an apocalyptic number.

It is an amenable number.

1020113313 is a deficient number, since it is larger than the sum of its proper divisors (365701215).

1020113313 is an equidigital number, since it uses as much as digits as its factorization.

1020113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415863.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1020113313 is about 31939.2127799043. The cubic root of 1020113313 is about 1006.6599838136.

Adding to 1020113313 its reverse (3133110201), we get a palindrome (4153223514).

The spelling of 1020113313 in words is "one billion, twenty million, one hundred thirteen thousand, three hundred thirteen".