1331022343 has 8 divisors (see below), whose sum is σ = 1521627680. Its totient is φ = 1140531840.

The previous prime is 1331022331. The next prime is 1331022347. The reversal of 1331022343 is 3432201331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1331022343 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 (1331022347) 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, 2238 + ... + 51643.

It is an arithmetic number, because the mean of its divisors is an integer number (190203460).

Almost surely, 2^1331022343 is an apocalyptic number.

1331022343 is a deficient number, since it is larger than the sum of its proper divisors (190605337).

1331022343 is an equidigital number, since it uses as much as digits as its factorization.

1331022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57417.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1331022343 is about 36483.1789048049. The cubic root of 1331022343 is about 1100.0061550620.

Adding to 1331022343 its reverse (3432201331), we get a palindrome (4763223674).

It can be divided in two parts, 13310 and 22343, that added together give a palindrome (35653).

The spelling of 1331022343 in words is "one billion, three hundred thirty-one million, twenty-two thousand, three hundred forty-three".