1331233343 has 16 divisors (see below), whose sum is σ = 1481569920. Its totient is φ = 1185914400.

The previous prime is 1331233333. The next prime is 1331233357. The reversal of 1331233343 is 3433321331.

It is not a de Polignac number, because 1331233343 - 2⁴ = 1331233327 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 (1331233303) 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, 211721 + ... + 217917.

It is an arithmetic number, because the mean of its divisors is an integer number (92598120).

Almost surely, 2^1331233343 is an apocalyptic number.

1331233343 is a deficient number, since it is larger than the sum of its proper divisors (150336577).

1331233343 is a wasteful number, since it uses less digits than its factorization.

1331233343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598.

The product of its digits is 5832, while the sum is 26.

The square root of 1331233343 is about 36486.0705338352. The cubic root of 1331233343 is about 1100.0642780620.

Adding to 1331233343 its reverse (3433321331), we get a palindrome (4764554674).

The spelling of 1331233343 in words is "one billion, three hundred thirty-one million, two hundred thirty-three thousand, three hundred forty-three".