1312233131311 has 8 divisors (see below), whose sum is σ = 1318060079280. Its totient is φ = 1306406588928.

The previous prime is 1312233131233. The next prime is 1312233131389. The reversal of 1312233131311 is 1131313322131.

It is an interprime number because it is at equal distance from previous prime (1312233131233) and next prime (1312233131389).

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 1312233131311 - 2²¹ = 1312231034159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312233132311) 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, 7717665 + ... + 7885861.

It is an arithmetic number, because the mean of its divisors is an integer number (164757509910).

Almost surely, 2^{1312233131311} is an apocalyptic number.

1312233131311 is a deficient number, since it is larger than the sum of its proper divisors (5826947969).

1312233131311 is a wasteful number, since it uses less digits than its factorization.

1312233131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202793.

The product of its digits is 972, while the sum is 25.

Adding to 1312233131311 its reverse (1131313322131), we get a palindrome (2443546453442).

The spelling of 1312233131311 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, one hundred thirty-one thousand, three hundred eleven".