1345231341 has 16 divisors (see below), whose sum is σ = 1993533120. Its totient is φ = 896551920.

The previous prime is 1345231313. The next prime is 1345231343. The reversal of 1345231341 is 1431325431.

It is a happy number.

1345231341 is a `hidden beast` number, since 1 + 3 + 4 + 523 + 134 + 1 = 666.

It is not a de Polignac number, because 1345231341 - 2²⁶ = 1278122477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345231343) 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, 130606 + ... + 140528.

It is an arithmetic number, because the mean of its divisors is an integer number (124595820).

Almost surely, 2^1345231341 is an apocalyptic number.

It is an amenable number.

1345231341 is a deficient number, since it is larger than the sum of its proper divisors (648301779).

1345231341 is an equidigital number, since it uses as much as digits as its factorization.

1345231341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953 (or 14947 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1345231341 is about 36677.3955045884. The cubic root of 1345231341 is about 1103.9065891547.

Adding to 1345231341 its reverse (1431325431), we get a palindrome (2776556772).

The spelling of 1345231341 in words is "one billion, three hundred forty-five million, two hundred thirty-one thousand, three hundred forty-one".