1303131300320 has 48 divisors (see below), whose sum is σ = 3184807973760. Its totient is φ = 503278293504.

The previous prime is 1303131300299. The next prime is 1303131300353. The reversal of 1303131300320 is 230031313031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1303131300292 and 1303131300301.

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, 140418992 + ... + 140428271.

It is an arithmetic number, because the mean of its divisors is an integer number (66350166120).

Almost surely, 2^{1303131300320} is an apocalyptic number.

1303131300320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303131300320 is an abundant number, since it is smaller than the sum of its proper divisors (1881676673440).

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

1303131300320 is a wasteful number, since it uses less digits than its factorization.

1303131300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280847307 (or 280847299 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1303131300320 its reverse (230031313031), we get a palindrome (1533162613351).

The spelling of 1303131300320 in words is "one trillion, three hundred three billion, one hundred thirty-one million, three hundred thousand, three hundred twenty".