1013313021 has 8 divisors (see below), whose sum is σ = 1544096064. Its totient is φ = 579036000.

The previous prime is 1013312977. The next prime is 1013313031. The reversal of 1013313021 is 1203133101.

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

It is not a de Polignac number, because 1013313021 - 2⁶ = 1013312957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013313031) 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, 24126480 + ... + 24126521.

It is an arithmetic number, because the mean of its divisors is an integer number (193012008).

Almost surely, 2^1013313021 is an apocalyptic number.

It is an amenable number.

1013313021 is a deficient number, since it is larger than the sum of its proper divisors (530783043).

1013313021 is an equidigital number, since it uses as much as digits as its factorization.

1013313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48253011.

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

The square root of 1013313021 is about 31832.5779823124. The cubic root of 1013313021 is about 1004.4181250903.

Adding to 1013313021 its reverse (1203133101), we get a palindrome (2216446122).

The spelling of 1013313021 in words is "one billion, thirteen million, three hundred thirteen thousand, twenty-one".