1353343331 has 4 divisors (see below), whose sum is σ = 1354729512. Its totient is φ = 1351957152.

The previous prime is 1353343291. The next prime is 1353343351. The reversal of 1353343331 is 1333433531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353343331 - 2³⁰ = 279601507 is a prime.

It is a super-2 number, since 2×1353343331² = 3663076343124351122, 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 = 1353343294 and 1353343303.

It is not an unprimeable number, because it can be changed into a prime (1353343351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691625 + ... + 693578.

It is an arithmetic number, because the mean of its divisors is an integer number (338682378).

Almost surely, 2^1353343331 is an apocalyptic number.

1353343331 is a deficient number, since it is larger than the sum of its proper divisors (1386181).

1353343331 is an equidigital number, since it uses as much as digits as its factorization.

1353343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386180.

The product of its digits is 14580, while the sum is 29.

The square root of 1353343331 is about 36787.8149799631. The cubic root of 1353343331 is about 1106.1210631387.

Adding to 1353343331 its reverse (1333433531), we get a palindrome (2686776862).

The spelling of 1353343331 in words is "one billion, three hundred fifty-three million, three hundred forty-three thousand, three hundred thirty-one".