1313321012312 has 16 divisors (see below), whose sum is σ = 2462529940200. Its totient is φ = 656646361600.

The previous prime is 1313321012299. The next prime is 1313321012359. The reversal of 1313321012312 is 2132101233131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368137 + ... + 2120952.

Almost surely, 2^{1313321012312} is an apocalyptic number.

It is an amenable number.

1313321012312 is a deficient number, since it is larger than the sum of its proper divisors (1149208927888).

1313321012312 is a wasteful number, since it uses less digits than its factorization.

1313321012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536146 (or 3536142 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1313321012312 its reverse (2132101233131), we get a palindrome (3445422245443).

The spelling of 1313321012312 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, twelve thousand, three hundred twelve".