1310003400443 has 8 divisors (see below), whose sum is σ = 1318004133600. Its totient is φ = 1302007592448.

The previous prime is 1310003400427. The next prime is 1310003400457. The reversal of 1310003400443 is 3440043000131.

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 1310003400443 - 2⁴ = 1310003400427 is a prime.

It is a super-2 number, since 2×1310003400443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310003400493) 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, 696998 + ... + 1762331.

It is an arithmetic number, because the mean of its divisors is an integer number (164750516700).

Almost surely, 2^{1310003400443} is an apocalyptic number.

1310003400443 is a deficient number, since it is larger than the sum of its proper divisors (8000733157).

1310003400443 is a wasteful number, since it uses less digits than its factorization.

1310003400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462581.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1310003400443 its reverse (3440043000131), we get a palindrome (4750046400574).

The spelling of 1310003400443 in words is "one trillion, three hundred ten billion, three million, four hundred thousand, four hundred forty-three".