1331101012344 has 64 divisors (see below), whose sum is σ = 3363111360000. Its totient is φ = 438992131200.

The previous prime is 1331101012321. The next prime is 1331101012379. The reversal of 1331101012344 is 4432101011331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194917 + ... + 3587435.

It is an arithmetic number, because the mean of its divisors is an integer number (52548615000).

Almost surely, 2^{1331101012344} is an apocalyptic number.

It is an amenable number.

1331101012344 is an abundant number, since it is smaller than the sum of its proper divisors (2032010347656).

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

1331101012344 is a wasteful number, since it uses less digits than its factorization.

1331101012344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394028 (or 394024 counting only the distinct ones).

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

Adding to 1331101012344 its reverse (4432101011331), we get a palindrome (5763202023675).

The spelling of 1331101012344 in words is "one trillion, three hundred thirty-one billion, one hundred one million, twelve thousand, three hundred forty-four".