1313103544 has 8 divisors (see below), whose sum is σ = 2462069160. Its totient is φ = 656551768.

The previous prime is 1313103529. The next prime is 1313103551. The reversal of 1313103544 is 4453013131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82068964 + ... + 82068979.

It is an arithmetic number, because the mean of its divisors is an integer number (307758645).

Almost surely, 2^1313103544 is an apocalyptic number.

It is an amenable number.

1313103544 is a deficient number, since it is larger than the sum of its proper divisors (1148965616).

1313103544 is a wasteful number, since it uses less digits than its factorization.

1313103544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164137949 (or 164137945 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1313103544 is about 36236.7706066642. The cubic root of 1313103544 is about 1095.0475835400.

Adding to 1313103544 its reverse (4453013131), we get a palindrome (5766116675).

The spelling of 1313103544 in words is "one billion, three hundred thirteen million, one hundred three thousand, five hundred forty-four".