1331032301320 has 32 divisors (see below), whose sum is σ = 3000548963520. Its totient is φ = 531394914240.

The previous prime is 1331032301309. The next prime is 1331032301377. The reversal of 1331032301320 is 231032301331.

It is a junction number, because it is equal to n+sod(n) for n = 1331032301291 and 1331032301300.

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, 31791516 + ... + 31833355.

It is an arithmetic number, because the mean of its divisors is an integer number (93767155110).

Almost surely, 2^{1331032301320} is an apocalyptic number.

1331032301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331032301320 is an abundant number, since it is smaller than the sum of its proper divisors (1669516662200).

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

1331032301320 is a wasteful number, since it uses less digits than its factorization.

1331032301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63625405 (or 63625401 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1331032301320 its reverse (231032301331), we get a palindrome (1562064602651).

The spelling of 1331032301320 in words is "one trillion, three hundred thirty-one billion, thirty-two million, three hundred one thousand, three hundred twenty".