1343845331 has 8 divisors (see below), whose sum is σ = 1395624384. Its totient is φ = 1292999400.

The previous prime is 1343845309. The next prime is 1343845339. The reversal of 1343845331 is 1335483431.

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 1343845331 - 2¹⁸ = 1343583187 is a prime.

It is a super-2 number, since 2×1343845331² = 3611840547300999122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343845291 and 1343845300.

It is not an unprimeable number, because it can be changed into a prime (1343845339) 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, 230345 + ... + 236106.

It is an arithmetic number, because the mean of its divisors is an integer number (174453048).

Almost surely, 2^1343845331 is an apocalyptic number.

1343845331 is a deficient number, since it is larger than the sum of its proper divisors (51779053).

1343845331 is an equidigital number, since it uses as much as digits as its factorization.

1343845331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466561.

The product of its digits is 51840, while the sum is 35.

The square root of 1343845331 is about 36658.4960275241. The cubic root of 1343845331 is about 1103.5273355908.

The spelling of 1343845331 in words is "one billion, three hundred forty-three million, eight hundred forty-five thousand, three hundred thirty-one".