131281352 has 16 divisors (see below), whose sum is σ = 248691660. Its totient is φ = 64963584.

The previous prime is 131281351. The next prime is 131281357. The reversal of 131281352 is 253182131.

It can be written as a sum of positive squares in 2 ways, for example, as 117635716 + 13645636 = 10846^2 + 3694^2 .

It is not an unprimeable number, because it can be changed into a prime (131281351) 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, 83813 + ... + 85364.

Almost surely, 2^131281352 is an apocalyptic number.

It is an amenable number.

131281352 is a deficient number, since it is larger than the sum of its proper divisors (117410308).

131281352 is a wasteful number, since it uses less digits than its factorization.

131281352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169280 (or 169276 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 131281352 is about 11457.8074691452. The cubic root of 131281352 is about 508.2386400222.

The spelling of 131281352 in words is "one hundred thirty-one million, two hundred eighty-one thousand, three hundred fifty-two".