1313023001312 has 96 divisors (see below), whose sum is σ = 2987356347360. Its totient is φ = 561446830080.

The previous prime is 1313023001299. The next prime is 1313023001333. The reversal of 1313023001312 is 2131003203131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12448058 + ... + 12553094.

It is an arithmetic number, because the mean of its divisors is an integer number (31118295285).

Almost surely, 2^{1313023001312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313023001312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493678173680).

1313023001312 is an abundant number, since it is smaller than the sum of its proper divisors (1674333346048).

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

1313023001312 is a wasteful number, since it uses less digits than its factorization.

1313023001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107164 (or 107156 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1313023001312 its reverse (2131003203131), we get a palindrome (3444026204443).

The spelling of 1313023001312 in words is "one trillion, three hundred thirteen billion, twenty-three million, one thousand, three hundred twelve".