1311133131201 has 32 divisors (see below), whose sum is σ = 1801763251200. Its totient is φ = 847467843840.

The previous prime is 1311133131197. The next prime is 1311133131227. The reversal of 1311133131201 is 1021313311131.

It is not a de Polignac number, because 1311133131201 - 2² = 1311133131197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311133138201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37679431 + ... + 37714211.

It is an arithmetic number, because the mean of its divisors is an integer number (56305101600).

Almost surely, 2^{1311133131201} is an apocalyptic number.

It is an amenable number.

1311133131201 is a deficient number, since it is larger than the sum of its proper divisors (490630119999).

1311133131201 is a wasteful number, since it uses less digits than its factorization.

1311133131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36009.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1311133131201 its reverse (1021313311131), we get a palindrome (2332446442332).

The spelling of 1311133131201 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred one".