1347478031361 has 16 divisors (see below), whose sum is σ = 2239963481088. Its totient is φ = 699988587600.

The previous prime is 1347478031351. The next prime is 1347478031369. The reversal of 1347478031361 is 1631308747431.

It is not a de Polignac number, because 1347478031361 - 2⁹ = 1347478030849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1347478031361.

It is not an unprimeable number, because it can be changed into a prime (1347478031369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916618885 + ... + 2916619346.

It is an arithmetic number, because the mean of its divisors is an integer number (139997717568).

Almost surely, 2^{1347478031361} is an apocalyptic number.

1347478031361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1347478031361 is a deficient number, since it is larger than the sum of its proper divisors (892485449727).

1347478031361 is a wasteful number, since it uses less digits than its factorization.

1347478031361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833238252.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 1347478031361 in words is "one trillion, three hundred forty-seven billion, four hundred seventy-eight million, thirty-one thousand, three hundred sixty-one".