1311131002001 has 8 divisors (see below), whose sum is σ = 1341795787200. Its totient is φ = 1280805054480.

The previous prime is 1311131001953. The next prime is 1311131002031. The reversal of 1311131002001 is 1002001311131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311131002001 - 2²⁶ = 1311063893137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311131002031) 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, 84701591 + ... + 84717068.

It is an arithmetic number, because the mean of its divisors is an integer number (167724473400).

Almost surely, 2^{1311131002001} is an apocalyptic number.

It is an amenable number.

1311131002001 is a deficient number, since it is larger than the sum of its proper divisors (30664785199).

1311131002001 is a wasteful number, since it uses less digits than its factorization.

1311131002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169418839.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1311131002001 its reverse (1002001311131), we get a palindrome (2313132313132).

The spelling of 1311131002001 in words is "one trillion, three hundred eleven billion, one hundred thirty-one million, two thousand, one".