1313424232656 has 80 divisors (see below), whose sum is σ = 3407931979584. Its totient is φ = 435885484032.

The previous prime is 1313424232651. The next prime is 1313424232709. The reversal of 1313424232656 is 6562324243131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313424232651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17206831 + ... + 17282993.

Almost surely, 2^{1313424232656} is an apocalyptic number.

1313424232656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1313424232656 is an abundant number, since it is smaller than the sum of its proper divisors (2094507746928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313424232656 is a wasteful number, since it uses less digits than its factorization.

1313424232656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77748 (or 77742 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

Adding to 1313424232656 its reverse (6562324243131), we get a palindrome (7875748475787).

The spelling of 1313424232656 in words is "one trillion, three hundred thirteen billion, four hundred twenty-four million, two hundred thirty-two thousand, six hundred fifty-six".