1331044101231 has 12 divisors (see below), whose sum is σ = 1921744146888. Its totient is φ = 819104061984.

The previous prime is 1331044101209. The next prime is 1331044101251. The reversal of 1331044101231 is 1321014401331.

It is a happy number.

It is not a de Polignac number, because 1331044101231 - 2¹⁰ = 1331044100207 is a prime.

It is a super-2 number, since 2×1331044101231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331044101251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312666260 + ... + 1312667273.

It is an arithmetic number, because the mean of its divisors is an integer number (160145345574).

Almost surely, 2^{1331044101231} is an apocalyptic number.

1331044101231 is a deficient number, since it is larger than the sum of its proper divisors (590700045657).

1331044101231 is a wasteful number, since it uses less digits than its factorization.

1331044101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625333562 (or 2625333549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1331044101231 its reverse (1321014401331), we get a palindrome (2652058502562).

The spelling of 1331044101231 in words is "one trillion, three hundred thirty-one billion, forty-four million, one hundred one thousand, two hundred thirty-one".