1321104011231 has 8 divisors (see below), whose sum is σ = 1323637224000. Its totient is φ = 1318573226880.

The previous prime is 1321104011221. The next prime is 1321104011233.

1321104011231 is nontrivially palindromic in base 10.

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 1321104011231 - 2⁶ = 1321104011167 is a prime.

It is a super-2 number, since 2×1321104011231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321104011233) 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, 483851 + ... + 1695971.

It is an arithmetic number, because the mean of its divisors is an integer number (165454653000).

Almost surely, 2^{1321104011231} is an apocalyptic number.

1321104011231 is a deficient number, since it is larger than the sum of its proper divisors (2533212769).

1321104011231 is a wasteful number, since it uses less digits than its factorization.

1321104011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214209.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1321104011231 in words is "one trillion, three hundred twenty-one billion, one hundred four million, eleven thousand, two hundred thirty-one".