1347420247431 has 8 divisors (see below), whose sum is σ = 1796838849024. Its totient is φ = 898140905400.

The previous prime is 1347420247403. The next prime is 1347420247471.

It is a happy number.

1347420247431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1347420247431 - 2⁵ = 1347420247399 is a prime.

It is a super-2 number, since 2×1347420247431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347420247471) 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, 34792311 + ... + 34831016.

It is an arithmetic number, because the mean of its divisors is an integer number (224604856128).

Almost surely, 2^{1347420247431} is an apocalyptic number.

1347420247431 is a deficient number, since it is larger than the sum of its proper divisors (449418601593).

1347420247431 is an equidigital number, since it uses as much as digits as its factorization.

1347420247431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69629781.

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 1347420247431 in words is "one trillion, three hundred forty-seven billion, four hundred twenty million, two hundred forty-seven thousand, four hundred thirty-one".