1231350748447 has 8 divisors (see below), whose sum is σ = 1236352665600. Its totient is φ = 1226358138840.

The previous prime is 1231350748427. The next prime is 1231350748477. The reversal of 1231350748447 is 7448470531321.

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 1231350748447 - 2⁷ = 1231350748319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231350748447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231350748427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061697 + ... + 2591002.

It is an arithmetic number, because the mean of its divisors is an integer number (154544083200).

Almost surely, 2^{1231350748447} is an apocalyptic number.

1231350748447 is a deficient number, since it is larger than the sum of its proper divisors (5001917153).

1231350748447 is an equidigital number, since it uses as much as digits as its factorization.

1231350748447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653773.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 1231350748447 in words is "one trillion, two hundred thirty-one billion, three hundred fifty million, seven hundred forty-eight thousand, four hundred forty-seven".