1331320020001 has 8 divisors (see below), whose sum is σ = 1409816098944. Its totient is φ = 1252844289600.

The previous prime is 1331320019999. The next prime is 1331320020011. The reversal of 1331320020001 is 1000200231331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331320020001 - 2¹ = 1331320019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331320020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952325 + ... + 5214226.

It is an arithmetic number, because the mean of its divisors is an integer number (176227012368).

Almost surely, 2^{1331320020001} is an apocalyptic number.

It is an amenable number.

1331320020001 is a deficient number, since it is larger than the sum of its proper divisors (78496078943).

1331320020001 is a wasteful number, since it uses less digits than its factorization.

1331320020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174271.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1331320020001 its reverse (1000200231331), we get a palindrome (2331520251332).

The spelling of 1331320020001 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, twenty thousand, one".