1310043421 has 8 divisors (see below), whose sum is σ = 1325687040. Its totient is φ = 1294420512.

The previous prime is 1310043403. The next prime is 1310043431. The reversal of 1310043421 is 1243400131.

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 1310043421 - 2⁵ = 1310043389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310043431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149076 + ... + 157618.

It is an arithmetic number, because the mean of its divisors is an integer number (165710880).

Almost surely, 2^1310043421 is an apocalyptic number.

It is an amenable number.

1310043421 is a deficient number, since it is larger than the sum of its proper divisors (15643619).

1310043421 is an equidigital number, since it uses as much as digits as its factorization.

1310043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1310043421 is about 36194.5219750172. The cubic root of 1310043421 is about 1094.1962704339.

Adding to 1310043421 its reverse (1243400131), we get a palindrome (2553443552).

The spelling of 1310043421 in words is "one billion, three hundred ten million, forty-three thousand, four hundred twenty-one".