1343331231 has 24 divisors (see below), whose sum is σ = 1986222000. Its totient is φ = 806910720.

The previous prime is 1343331193. The next prime is 1343331239. The reversal of 1343331231 is 1321333431.

It is a happy number.

It is not a de Polignac number, because 1343331231 - 2³⁰ = 269589407 is a prime.

It is a super-2 number, since 2×1343331231² = 3609077592359950722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343331239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24645 + ... + 57393.

It is an arithmetic number, because the mean of its divisors is an integer number (82759250).

Almost surely, 2^1343331231 is an apocalyptic number.

1343331231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1343331231 is a deficient number, since it is larger than the sum of its proper divisors (642890769).

1343331231 is a wasteful number, since it uses less digits than its factorization.

1343331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32887 (or 32876 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

The square root of 1343331231 is about 36651.4833396958. The cubic root of 1343331231 is about 1103.3865962387.

Adding to 1343331231 its reverse (1321333431), we get a palindrome (2664664662).

The spelling of 1343331231 in words is "one billion, three hundred forty-three million, three hundred thirty-one thousand, two hundred thirty-one".