1313402052650 has 48 divisors (see below), whose sum is σ = 2536832632320. Its totient is φ = 505369204800.

The previous prime is 1313402052647. The next prime is 1313402052667. The reversal of 1313402052650 is 562502043131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2278145 + ... + 2795844.

It is an arithmetic number, because the mean of its divisors is an integer number (52850679840).

Almost surely, 2^{1313402052650} is an apocalyptic number.

1313402052650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313402052650 is a deficient number, since it is larger than the sum of its proper divisors (1223430579670).

1313402052650 is a wasteful number, since it uses less digits than its factorization.

1313402052650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074199 (or 5074194 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1313402052650 its reverse (562502043131), we get a palindrome (1875904095781).

The spelling of 1313402052650 in words is "one trillion, three hundred thirteen billion, four hundred two million, fifty-two thousand, six hundred fifty".