1001312331332 has 12 divisors (see below), whose sum is σ = 1752331982016. Its totient is φ = 500646050760.

The previous prime is 1001312331329. The next prime is 1001312331337. The reversal of 1001312331332 is 2331332131001.

It is a junction number, because it is equal to n+sod(n) for n = 1001312331298 and 1001312331307.

It is not an unprimeable number, because it can be changed into a prime (1001312331337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303768 + ... + 2703695.

It is an arithmetic number, because the mean of its divisors is an integer number (146027665168).

Almost surely, 2^{1001312331332} is an apocalyptic number.

It is an amenable number.

1001312331332 is a deficient number, since it is larger than the sum of its proper divisors (751019650684).

1001312331332 is a wasteful number, since it uses less digits than its factorization.

1001312331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057458 (or 5057456 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1001312331332 its reverse (2331332131001), we get a palindrome (3332644462333).

The spelling of 1001312331332 in words is "one trillion, one billion, three hundred twelve million, three hundred thirty-one thousand, three hundred thirty-two".