1313013441 has 8 divisors (see below), whose sum is σ = 1754674240. Its totient is φ = 873347472.

The previous prime is 1313013431. The next prime is 1313013461. The reversal of 1313013441 is 1443103131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313013441 - 2⁷ = 1313013313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313013431) 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, 497170 + ... + 499803.

It is an arithmetic number, because the mean of its divisors is an integer number (219334280).

Almost surely, 2^1313013441 is an apocalyptic number.

It is an amenable number.

1313013441 is a deficient number, since it is larger than the sum of its proper divisors (441660799).

1313013441 is an equidigital number, since it uses as much as digits as its factorization.

1313013441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997415.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1313013441 is about 36235.5273316120. The cubic root of 1313013441 is about 1095.0225361805.

Adding to 1313013441 its reverse (1443103131), we get a palindrome (2756116572).

The spelling of 1313013441 in words is "one billion, three hundred thirteen million, thirteen thousand, four hundred forty-one".