1303430142320 has 20 divisors (see below), whose sum is σ = 3030475081080. Its totient is φ = 521372056896.

The previous prime is 1303430142283. The next prime is 1303430142323. The reversal of 1303430142320 is 232410343031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1303430142320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303430142323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8146438310 + ... + 8146438469.

It is an arithmetic number, because the mean of its divisors is an integer number (151523754054).

Almost surely, 2^{1303430142320} is an apocalyptic number.

1303430142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303430142320 is an abundant number, since it is smaller than the sum of its proper divisors (1727044938760).

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

1303430142320 is a wasteful number, since it uses less digits than its factorization.

1303430142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292876792 (or 16292876786 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1303430142320 its reverse (232410343031), we get a palindrome (1535840485351).

The spelling of 1303430142320 in words is "one trillion, three hundred three billion, four hundred thirty million, one hundred forty-two thousand, three hundred twenty".