1331415343 has 4 divisors (see below), whose sum is σ = 1331488480. Its totient is φ = 1331342208.

The previous prime is 1331415287. The next prime is 1331415353. The reversal of 1331415343 is 3435141331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3435141331 = 1123 ⋅3058897.

It is a cyclic number.

It is not a de Polignac number, because 1331415343 - 2⁹ = 1331414831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331415353) 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 3 ways as a sum of consecutive naturals, for example, 14671 + ... + 53647.

It is an arithmetic number, because the mean of its divisors is an integer number (332872120).

Almost surely, 2^1331415343 is an apocalyptic number.

1331415343 is a deficient number, since it is larger than the sum of its proper divisors (73137).

1331415343 is an equidigital number, since it uses as much as digits as its factorization.

1331415343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73136.

The product of its digits is 6480, while the sum is 28.

The square root of 1331415343 is about 36488.5645511029. The cubic root of 1331415343 is about 1100.1144076596.

Adding to 1331415343 its reverse (3435141331), we get a palindrome (4766556674).

The spelling of 1331415343 in words is "one billion, three hundred thirty-one million, four hundred fifteen thousand, three hundred forty-three".