1001311231333 has 16 divisors (see below), whose sum is σ = 1147650177024. Its totient is φ = 855798617520.

The previous prime is 1001311231289. The next prime is 1001311231343. The reversal of 1001311231333 is 3331321131001.

It is not a de Polignac number, because 1001311231333 - 2¹³ = 1001311223141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001311231343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356688 + ... + 4580758.

It is an arithmetic number, because the mean of its divisors is an integer number (71728136064).

Almost surely, 2^{1001311231333} is an apocalyptic number.

It is an amenable number.

1001311231333 is a deficient number, since it is larger than the sum of its proper divisors (146338945691).

1001311231333 is a wasteful number, since it uses less digits than its factorization.

1001311231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225912.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1001311231333 its reverse (3331321131001), we get a palindrome (4332632362334).

The spelling of 1001311231333 in words is "one trillion, one billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirty-three".