131571452 has 6 divisors (see below), whose sum is σ = 230250048. Its totient is φ = 65785724.

The previous prime is 131571383. The next prime is 131571457. The reversal of 131571452 is 254175131.

It is a super-2 number, since 2×131571452² = 34622093962776608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131571457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16446428 + ... + 16446435.

It is an arithmetic number, because the mean of its divisors is an integer number (38375008).

Almost surely, 2^131571452 is an apocalyptic number.

It is an amenable number.

131571452 is a deficient number, since it is larger than the sum of its proper divisors (98678596).

131571452 is a wasteful number, since it uses less digits than its factorization.

131571452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32892867 (or 32892865 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 131571452 is about 11470.4599733402. The cubic root of 131571452 is about 508.6127260547.

The spelling of 131571452 in words is "one hundred thirty-one million, five hundred seventy-one thousand, four hundred fifty-two".