1313213210320 has 40 divisors (see below), whose sum is σ = 3330786235680. Its totient is φ = 477532076160.

The previous prime is 1313213210297. The next prime is 1313213210347. The reversal of 1313213210320 is 230123123131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1313213210291 and 1313213210300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746142990 + ... + 746144749.

It is an arithmetic number, because the mean of its divisors is an integer number (83269655892).

Almost surely, 2^{1313213210320} is an apocalyptic number.

1313213210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313213210320 is an abundant number, since it is smaller than the sum of its proper divisors (2017573025360).

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

1313213210320 is a wasteful number, since it uses less digits than its factorization.

1313213210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492287763 (or 1492287757 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313213210320 its reverse (230123123131), we get a palindrome (1543336333451).

The spelling of 1313213210320 in words is "one trillion, three hundred thirteen billion, two hundred thirteen million, two hundred ten thousand, three hundred twenty".