1002113321 has 8 divisors (see below), whose sum is σ = 1098881184. Its totient is φ = 906289920.

The previous prime is 1002113269. The next prime is 1002113339. The reversal of 1002113321 is 1233112001.

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 1002113321 - 2¹⁰ = 1002112297 is a prime.

It is a super-2 number, since 2×1002113321² = 2008462216251298082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002113296 and 1002113305.

It is not an unprimeable number, because it can be changed into a prime (1002113221) 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, 233891 + ... + 238136.

It is an arithmetic number, because the mean of its divisors is an integer number (137360148).

Almost surely, 2^1002113321 is an apocalyptic number.

1002113321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002113321 is a deficient number, since it is larger than the sum of its proper divisors (96767863).

1002113321 is a wasteful number, since it uses less digits than its factorization.

1002113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472231.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1002113321 is about 31656.1735053370. The cubic root of 1002113321 is about 1000.7039446789.

Adding to 1002113321 its reverse (1233112001), we get a palindrome (2235225322).

The spelling of 1002113321 in words is "one billion, two million, one hundred thirteen thousand, three hundred twenty-one".