1000021332313 has 32 divisors (see below), whose sum is σ = 1044933120000. Its totient is φ = 956440638720.

The previous prime is 1000021332311. The next prime is 1000021332329. The reversal of 1000021332313 is 3132331200001.

It is a cyclic number.

It is not a de Polignac number, because 1000021332313 - 2¹ = 1000021332311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000021332311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159515343 + ... + 159521611.

It is an arithmetic number, because the mean of its divisors is an integer number (32654160000).

Almost surely, 2^{1000021332313} is an apocalyptic number.

It is an amenable number.

1000021332313 is a deficient number, since it is larger than the sum of its proper divisors (44911787687).

1000021332313 is a wasteful number, since it uses less digits than its factorization.

1000021332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1000021332313 its reverse (3132331200001), we get a palindrome (4132352532314).

The spelling of 1000021332313 in words is "one trillion, twenty-one million, three hundred thirty-two thousand, three hundred thirteen".