1310213423443 has 16 divisors (see below), whose sum is σ = 1338108030720. Its totient is φ = 1282514536800.

The previous prime is 1310213423357. The next prime is 1310213423461. The reversal of 1310213423443 is 3443243120131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310213423443 is a prime.

It is a super-3 number, since 3×1310213423443³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310213423843) 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, 25649338 + ... + 25700368.

It is an arithmetic number, because the mean of its divisors is an integer number (83631751920).

Almost surely, 2^{1310213423443} is an apocalyptic number.

1310213423443 is a deficient number, since it is larger than the sum of its proper divisors (27894607277).

1310213423443 is a wasteful number, since it uses less digits than its factorization.

1310213423443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52938.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1310213423443 its reverse (3443243120131), we get a palindrome (4753456543574).

The spelling of 1310213423443 in words is "one trillion, three hundred ten billion, two hundred thirteen million, four hundred twenty-three thousand, four hundred forty-three".