1313015431120 has 80 divisors (see below), whose sum is σ = 3187320819840. Its totient is φ = 502082330112.

The previous prime is 1313015431111. The next prime is 1313015431121. The reversal of 1313015431120 is 211345103131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313015431121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010246 + ... + 3418714.

It is an arithmetic number, because the mean of its divisors is an integer number (39841510248).

Almost surely, 2^{1313015431120} is an apocalyptic number.

1313015431120 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 1313015431120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593660409920).

1313015431120 is an abundant number, since it is smaller than the sum of its proper divisors (1874305388720).

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

1313015431120 is a wasteful number, since it uses less digits than its factorization.

1313015431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410252 (or 410246 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 1313015431120 in words is "one trillion, three hundred thirteen billion, fifteen million, four hundred thirty-one thousand, one hundred twenty".