1331331310220 has 12 divisors (see below), whose sum is σ = 2795795751504. Its totient is φ = 532532524080.

The previous prime is 1331331310219. The next prime is 1331331310241. The reversal of 1331331310220 is 220131331331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33283282736 + ... + 33283282775.

It is an arithmetic number, because the mean of its divisors is an integer number (232982979292).

Almost surely, 2^{1331331310220} is an apocalyptic number.

1331331310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331331310220 is an abundant number, since it is smaller than the sum of its proper divisors (1464464441284).

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

1331331310220 is a wasteful number, since it uses less digits than its factorization.

1331331310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66566565520 (or 66566565518 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1331331310220 its reverse (220131331331), we get a palindrome (1551462641551).

The spelling of 1331331310220 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, three hundred ten thousand, two hundred twenty".