1312202033231 has 2 divisors, whose sum is σ = 1312202033232. Its totient is φ = 1312202033230.

The previous prime is 1312202033213. The next prime is 1312202033267. The reversal of 1312202033231 is 1323302022131.

Together with previous prime (1312202033213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312202033231 - 2¹⁴ = 1312202016847 is a prime.

It is a super-2 number, since 2×1312202033231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312202033197 and 1312202033206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312202035231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656101016615 + 656101016616.

It is an arithmetic number, because the mean of its divisors is an integer number (656101016616).

Almost surely, 2^{1312202033231} is an apocalyptic number.

1312202033231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312202033231 is an equidigital number, since it uses as much as digits as its factorization.

1312202033231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1312202033231 its reverse (1323302022131), we get a palindrome (2635504055362).

The spelling of 1312202033231 in words is "one trillion, three hundred twelve billion, two hundred two million, thirty-three thousand, two hundred thirty-one".