1302320131320 has 192 divisors, whose sum is σ = 4261503402720. Its totient is φ = 318230495232.

The previous prime is 1302320131309. The next prime is 1302320131349. The reversal of 1302320131320 is 231310232031.

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, 2543992 + ... + 3012728.

Almost surely, 2^{1302320131320} is an apocalyptic number.

1302320131320 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 1302320131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130751701360).

1302320131320 is an abundant number, since it is smaller than the sum of its proper divisors (2959183271400).

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

1302320131320 is a wasteful number, since it uses less digits than its factorization.

1302320131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468914 (or 468897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1302320131320 its reverse (231310232031), we get a palindrome (1533630363351).

The spelling of 1302320131320 in words is "one trillion, three hundred two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twenty".