1343453531 has 6 divisors (see below), whose sum is σ = 1562792940. Its totient is φ = 1151531556.

The previous prime is 1343453491. The next prime is 1343453549. The reversal of 1343453531 is 1353543431.

It is not a de Polignac number, because 1343453531 - 2²² = 1339259227 is a prime.

It is a super-2 number, since 2×1343453531² = 3609734779912735922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343453561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13708661 + ... + 13708758.

It is an arithmetic number, because the mean of its divisors is an integer number (260465490).

Almost surely, 2^1343453531 is an apocalyptic number.

1343453531 is a deficient number, since it is larger than the sum of its proper divisors (219339409).

1343453531 is an equidigital number, since it uses as much as digits as its factorization.

1343453531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27417433 (or 27417426 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 1343453531 is about 36653.1517198726. The cubic root of 1343453531 is about 1103.4200801834.

Adding to 1343453531 its reverse (1353543431), we get a palindrome (2696996962).

The spelling of 1343453531 in words is "one billion, three hundred forty-three million, four hundred fifty-three thousand, five hundred thirty-one".