1331134023 has 8 divisors (see below), whose sum is σ = 1775540736. Its totient is φ = 887075000.

The previous prime is 1331134019. The next prime is 1331134027. The reversal of 1331134023 is 3204311331.

It is an interprime number because it is at equal distance from previous prime (1331134019) and next prime (1331134027).

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 1331134023 - 2² = 1331134019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331134027) 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, 77853 + ... + 93398.

It is an arithmetic number, because the mean of its divisors is an integer number (221942592).

Almost surely, 2^1331134023 is an apocalyptic number.

1331134023 is a deficient number, since it is larger than the sum of its proper divisors (444406713).

1331134023 is a wasteful number, since it uses less digits than its factorization.

1331134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173845.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1331134023 is about 36484.7094410796. The cubic root of 1331134023 is about 1100.0369196975.

Adding to 1331134023 its reverse (3204311331), we get a palindrome (4535445354).

The spelling of 1331134023 in words is "one billion, three hundred thirty-one million, one hundred thirty-four thousand, twenty-three".