1312241351493 has 4 divisors (see below), whose sum is σ = 1749655135328. Its totient is φ = 874827567660.

The previous prime is 1312241351467. The next prime is 1312241351507. The reversal of 1312241351493 is 3941531422131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1312241351493 - 2¹⁴ = 1312241335109 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 (1312241351413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218706891913 + ... + 218706891918.

It is an arithmetic number, because the mean of its divisors is an integer number (437413783832).

Almost surely, 2^{1312241351493} is an apocalyptic number.

It is an amenable number.

1312241351493 is a deficient number, since it is larger than the sum of its proper divisors (437413783835).

1312241351493 is an equidigital number, since it uses as much as digits as its factorization.

1312241351493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437413783834.

The product of its digits is 77760, while the sum is 39.

The spelling of 1312241351493 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, three hundred fifty-one thousand, four hundred ninety-three".