1311312131033 has 8 divisors (see below), whose sum is σ = 1314404029440. Its totient is φ = 1308220462240.

The previous prime is 1311312131023. The next prime is 1311312131057. The reversal of 1311312131033 is 3301312131131.

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 1311312131033 - 2⁶ = 1311312130969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311312131023) 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 7 ways as a sum of consecutive naturals, for example, 18104216 + ... + 18176502.

It is an arithmetic number, because the mean of its divisors is an integer number (164300503680).

Almost surely, 2^{1311312131033} is an apocalyptic number.

It is an amenable number.

1311312131033 is a deficient number, since it is larger than the sum of its proper divisors (3091898407).

1311312131033 is an equidigital number, since it uses as much as digits as its factorization.

1311312131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114807.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1311312131033 its reverse (3301312131131), we get a palindrome (4612624262164).

The spelling of 1311312131033 in words is "one trillion, three hundred eleven billion, three hundred twelve million, one hundred thirty-one thousand, thirty-three".