1311131200233 has 32 divisors (see below), whose sum is σ = 1792284641280. Its totient is φ = 852329582720.

The previous prime is 1311131200219. The next prime is 1311131200259. The reversal of 1311131200233 is 3320021311131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1311131200233 - 2¹⁷ = 1311131069161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311131270233) 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, 14015428 + ... + 14108666.

It is an arithmetic number, because the mean of its divisors is an integer number (56008895040).

Almost surely, 2^{1311131200233} is an apocalyptic number.

It is an amenable number.

1311131200233 is a deficient number, since it is larger than the sum of its proper divisors (481153441047).

1311131200233 is a wasteful number, since it uses less digits than its factorization.

1311131200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94037.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1311131200233 its reverse (3320021311131), we get a palindrome (4631152511364).

The spelling of 1311131200233 in words is "one trillion, three hundred eleven billion, one hundred thirty-one million, two hundred thousand, two hundred thirty-three".