1311031133001 has 48 divisors (see below), whose sum is σ = 2058620928000. Its totient is φ = 800944212960.

The previous prime is 1311031132993. The next prime is 1311031133011. The reversal of 1311031133001 is 1003311301131.

1311031133001 is a `hidden beast` number, since 13 + 1 + 10 + 311 + 330 + 0 + 1 = 666.

It is not a de Polignac number, because 1311031133001 - 2³ = 1311031132993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311031133011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11813710 + ... + 11924168.

It is an arithmetic number, because the mean of its divisors is an integer number (42887936000).

Almost surely, 2^{1311031133001} is an apocalyptic number.

It is an amenable number.

1311031133001 is a deficient number, since it is larger than the sum of its proper divisors (747589794999).

1311031133001 is a wasteful number, since it uses less digits than its factorization.

1311031133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112754 (or 112751 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1311031133001 its reverse (1003311301131), we get a palindrome (2314342434132).

The spelling of 1311031133001 in words is "one trillion, three hundred eleven billion, thirty-one million, one hundred thirty-three thousand, one".