131212320333463 has 2 divisors, whose sum is σ = 131212320333464. Its totient is φ = 131212320333462.

The previous prime is 131212320333383. The next prime is 131212320333473. The reversal of 131212320333463 is 364333023212131.

It is a strong prime.

It is an emirp because it is prime and its reverse (364333023212131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131212320333463 - 2³⁷ = 131074881379991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212320333473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606160166731 + 65606160166732.

It is an arithmetic number, because the mean of its divisors is an integer number (65606160166732).

Almost surely, 2^{131212320333463} is an apocalyptic number.

131212320333463 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212320333463 is an equidigital number, since it uses as much as digits as its factorization.

131212320333463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 37.

Adding to 131212320333463 its reverse (364333023212131), we get a palindrome (495545343545594).

The spelling of 131212320333463 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred twenty million, three hundred thirty-three thousand, four hundred sixty-three".