1313235441 has 12 divisors (see below), whose sum is σ = 2167880832. Its totient is φ = 750420216.

The previous prime is 1313235401. The next prime is 1313235461. The reversal of 1313235441 is 1445323131.

It is a happy number.

It is not a de Polignac number, because 1313235441 - 2⁹ = 1313234929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313235401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10422441 + ... + 10422566.

It is an arithmetic number, because the mean of its divisors is an integer number (180656736).

Almost surely, 2^1313235441 is an apocalyptic number.

It is an amenable number.

1313235441 is a deficient number, since it is larger than the sum of its proper divisors (854645391).

1313235441 is a wasteful number, since it uses less digits than its factorization.

1313235441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20845020 (or 20845017 counting only the distinct ones).

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

The square root of 1313235441 is about 36238.5904941128. The cubic root of 1313235441 is about 1095.0842469740.

Adding to 1313235441 its reverse (1445323131), we get a palindrome (2758558572).

The spelling of 1313235441 in words is "one billion, three hundred thirteen million, two hundred thirty-five thousand, four hundred forty-one".