1313104442420 has 144 divisors (see below), whose sum is σ = 2926393042944. Its totient is φ = 494405683200.

The previous prime is 1313104442369. The next prime is 1313104442443. The reversal of 1313104442420 is 242444013131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 382493024 + ... + 382496456.

Almost surely, 2^{1313104442420} is an apocalyptic number.

1313104442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313104442420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463196521472).

1313104442420 is an abundant number, since it is smaller than the sum of its proper divisors (1613288600524).

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

1313104442420 is a wasteful number, since it uses less digits than its factorization.

1313104442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1313104442420 its reverse (242444013131), we get a palindrome (1555548455551).

The spelling of 1313104442420 in words is "one trillion, three hundred thirteen billion, one hundred four million, four hundred forty-two thousand, four hundred twenty".