1311001320332 has 24 divisors (see below), whose sum is σ = 2583556856832. Its totient is φ = 576686797200.

The previous prime is 1311001320323. The next prime is 1311001320337. The reversal of 1311001320332 is 2330231001131.

It is not an unprimeable number, because it can be changed into a prime (1311001320337) 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, 480570968 + ... + 480573695.

It is an arithmetic number, because the mean of its divisors is an integer number (107648202368).

Almost surely, 2^{1311001320332} is an apocalyptic number.

It is an amenable number.

1311001320332 is a deficient number, since it is larger than the sum of its proper divisors (1272555536500).

1311001320332 is a wasteful number, since it uses less digits than its factorization.

1311001320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961144709 (or 961144707 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1311001320332 its reverse (2330231001131), we get a palindrome (3641232321463).

The spelling of 1311001320332 in words is "one trillion, three hundred eleven billion, one million, three hundred twenty thousand, three hundred thirty-two".