1021013313 has 8 divisors (see below), whose sum is σ = 1361499648. Its totient is φ = 680601264.

The previous prime is 1021013293. The next prime is 1021013321. The reversal of 1021013313 is 3133101201.

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

It is not a de Polignac number, because 1021013313 - 2⁶ = 1021013249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021013292 and 1021013301.

It is not an unprimeable number, because it can be changed into a prime (1021013333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38995 + ... + 59687.

It is an arithmetic number, because the mean of its divisors is an integer number (170187456).

Almost surely, 2^1021013313 is an apocalyptic number.

It is an amenable number.

1021013313 is a deficient number, since it is larger than the sum of its proper divisors (340486335).

1021013313 is a wasteful number, since it uses less digits than its factorization.

1021013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37143.

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

The square root of 1021013313 is about 31953.2989376684. The cubic root of 1021013313 is about 1006.9559403722.

Adding to 1021013313 its reverse (3133101201), we get a palindrome (4154114514).

The spelling of 1021013313 in words is "one billion, twenty-one million, thirteen thousand, three hundred thirteen".