131822583 has 4 divisors (see below), whose sum is σ = 175763448. Its totient is φ = 87881720.

The previous prime is 131822531. The next prime is 131822599. The reversal of 131822583 is 385228131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385228131 = 3 ⋅128409377.

It is a cyclic number.

It is not a de Polignac number, because 131822583 - 2⁶ = 131822519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131823583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21970428 + ... + 21970433.

It is an arithmetic number, because the mean of its divisors is an integer number (43940862).

Almost surely, 2^131822583 is an apocalyptic number.

131822583 is a deficient number, since it is larger than the sum of its proper divisors (43940865).

131822583 is an equidigital number, since it uses as much as digits as its factorization.

131822583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43940864.

The product of its digits is 11520, while the sum is 33.

The square root of 131822583 is about 11481.4016130436. The cubic root of 131822583 is about 508.9361174930.

The spelling of 131822583 in words is "one hundred thirty-one million, eight hundred twenty-two thousand, five hundred eighty-three".