131330023 has 8 divisors (see below), whose sum is σ = 149498496. Its totient is φ = 114199800.

The previous prime is 131330021. The next prime is 131330053. The reversal of 131330023 is 320033131.

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

It is not a de Polignac number, because 131330023 - 2¹ = 131330021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131329979 and 131330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330021) 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, 259293 + ... + 259798.

It is an arithmetic number, because the mean of its divisors is an integer number (18687312).

Almost surely, 2^131330023 is an apocalyptic number.

131330023 is a deficient number, since it is larger than the sum of its proper divisors (18168473).

131330023 is a wasteful number, since it uses less digits than its factorization.

131330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519125.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131330023 is about 11459.9311952559. The cubic root of 131330023 is about 508.3014400725.

Adding to 131330023 its reverse (320033131), we get a palindrome (451363154).

The spelling of 131330023 in words is "one hundred thirty-one million, three hundred thirty thousand, twenty-three".