1001343321 has 24 divisors (see below), whose sum is σ = 1620525504. Its totient is φ = 590470560.

The previous prime is 1001343293. The next prime is 1001343337. The reversal of 1001343321 is 1233431001.

1001343321 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 343 + 321 = 666.

It is not a de Polignac number, because 1001343321 - 2⁵ = 1001343289 is a prime.

It is a super-2 number, since 2×1001343321² = 2005376893022618082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001343294 and 1001343303.

It is not an unprimeable number, because it can be changed into a prime (1001343821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133021 + ... + 140346.

It is an arithmetic number, because the mean of its divisors is an integer number (67521896).

Almost surely, 2^1001343321 is an apocalyptic number.

1001343321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001343321 is a deficient number, since it is larger than the sum of its proper divisors (619182183).

1001343321 is a wasteful number, since it uses less digits than its factorization.

1001343321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273421 (or 273418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1001343321 is about 31644.0092434571. The cubic root of 1001343321 is about 1000.4475733149.

Adding to 1001343321 its reverse (1233431001), we get a palindrome (2234774322).

The spelling of 1001343321 in words is "one billion, one million, three hundred forty-three thousand, three hundred twenty-one".