131571323 has 8 divisors (see below), whose sum is σ = 141784608. Its totient is φ = 121371264.

The previous prime is 131571287. The next prime is 131571359. The reversal of 131571323 is 323175131.

It is an interprime number because it is at equal distance from previous prime (131571287) and next prime (131571359).

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 131571323 - 2⁶ = 131571259 is a prime.

It is a super-2 number, since 2×131571323² = 34622026071940658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131571292 and 131571301.

It is not an unprimeable number, because it can be changed into a prime (131571383) 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, 29411 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (17723076).

Almost surely, 2^131571323 is an apocalyptic number.

131571323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131571323 is a deficient number, since it is larger than the sum of its proper divisors (10213285).

131571323 is a wasteful number, since it uses less digits than its factorization.

131571323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613.

The product of its digits is 1890, while the sum is 26.

The square root of 131571323 is about 11470.4543501990. The cubic root of 131571323 is about 508.6125598305.

The spelling of 131571323 in words is "one hundred thirty-one million, five hundred seventy-one thousand, three hundred twenty-three".