1013323121 has 8 divisors (see below), whose sum is σ = 1065455424. Its totient is φ = 961863760.

The previous prime is 1013323081. The next prime is 1013323123. The reversal of 1013323121 is 1213233101.

1013323121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1013323121 - 2⁶ = 1013323057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013323121.

It is not an unprimeable number, because it can be changed into a prime (1013323123) 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, 165146 + ... + 171171.

It is an arithmetic number, because the mean of its divisors is an integer number (133181928).

Almost surely, 2^1013323121 is an apocalyptic number.

It is an amenable number.

1013323121 is a deficient number, since it is larger than the sum of its proper divisors (52132303).

1013323121 is a wasteful number, since it uses less digits than its factorization.

1013323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336471.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1013323121 is about 31832.7366244249. The cubic root of 1013323121 is about 1004.4214621932.

Adding to 1013323121 its reverse (1213233101), we get a palindrome (2226556222).

The spelling of 1013323121 in words is "one billion, thirteen million, three hundred twenty-three thousand, one hundred twenty-one".