1347478031351 has 2 divisors, whose sum is σ = 1347478031352. Its totient is φ = 1347478031350.

The previous prime is 1347478031323. The next prime is 1347478031369. The reversal of 1347478031351 is 1531308747431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1347478031351 - 2⁶ = 1347478031287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1347478031296 and 1347478031305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347478031381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673739015675 + 673739015676.

It is an arithmetic number, because the mean of its divisors is an integer number (673739015676).

Almost surely, 2^{1347478031351} is an apocalyptic number.

1347478031351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347478031351 is an equidigital number, since it uses as much as digits as its factorization.

1347478031351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1347478031351 in words is "one trillion, three hundred forty-seven billion, four hundred seventy-eight million, thirty-one thousand, three hundred fifty-one".