1331344023 has 8 divisors (see below), whose sum is σ = 1775297136. Its totient is φ = 887476800.

The previous prime is 1331344019. The next prime is 1331344031. The reversal of 1331344023 is 3204431331.

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

It is not a de Polignac number, because 1331344023 - 2² = 1331344019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331343984 and 1331344002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331344013) 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, 39153 + ... + 64773.

It is an arithmetic number, because the mean of its divisors is an integer number (221912142).

Almost surely, 2^1331344023 is an apocalyptic number.

1331344023 is a deficient number, since it is larger than the sum of its proper divisors (443953113).

1331344023 is a wasteful number, since it uses less digits than its factorization.

1331344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42945.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1331344023 is about 36487.5872455278. The cubic root of 1331344023 is about 1100.0947640122.

Adding to 1331344023 its reverse (3204431331), we get a palindrome (4535775354).

The spelling of 1331344023 in words is "one billion, three hundred thirty-one million, three hundred forty-four thousand, twenty-three".