1331131102321 has 8 divisors (see below), whose sum is σ = 1339717796480. Its totient is φ = 1322545777488.

The previous prime is 1331131102303. The next prime is 1331131102391. The reversal of 1331131102321 is 1232011311331.

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 1331131102321 - 2¹⁵ = 1331131069553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331131102292 and 1331131102301.

It is not an unprimeable number, because it can be changed into a prime (1331131102391) 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, 1645240 + ... + 2317126.

It is an arithmetic number, because the mean of its divisors is an integer number (167464724560).

Almost surely, 2^{1331131102321} is an apocalyptic number.

It is an amenable number.

1331131102321 is a deficient number, since it is larger than the sum of its proper divisors (8586694159).

1331131102321 is a wasteful number, since it uses less digits than its factorization.

1331131102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684663.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1331131102321 its reverse (1232011311331), we get a palindrome (2563142413652).

The spelling of 1331131102321 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred two thousand, three hundred twenty-one".