1313314550 has 12 divisors (see below), whose sum is σ = 2442765156. Its totient is φ = 525325800.

The previous prime is 1313314543. The next prime is 1313314573. The reversal of 1313314550 is 554133131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13133096 + ... + 13133195.

It is an arithmetic number, because the mean of its divisors is an integer number (203563763).

Almost surely, 2^1313314550 is an apocalyptic number.

1313314550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313314550 is a deficient number, since it is larger than the sum of its proper divisors (1129450606).

1313314550 is a wasteful number, since it uses less digits than its factorization.

1313314550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26266303 (or 26266298 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1313314550 is about 36239.6819798408. The cubic root of 1313314550 is about 1095.1062357399.

Adding to 1313314550 its reverse (554133131), we get a palindrome (1867447681).

The spelling of 1313314550 in words is "one billion, three hundred thirteen million, three hundred fourteen thousand, five hundred fifty".