131244532 has 24 divisors (see below), whose sum is σ = 240835392. Its totient is φ = 62462400.

The previous prime is 131244527. The next prime is 131244541. The reversal of 131244532 is 235442131.

It is a junction number, because it is equal to n+sod(n) for n = 131244497 and 131244506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16032 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (10034808).

Almost surely, 2^131244532 is an apocalyptic number.

It is an amenable number.

131244532 is a deficient number, since it is larger than the sum of its proper divisors (109590860).

131244532 is a wasteful number, since it uses less digits than its factorization.

131244532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999 (or 6997 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 131244532 is about 11456.2005918193. The cubic root of 131244532 is about 508.1911209694.

Adding to 131244532 its reverse (235442131), we get a palindrome (366686663).

The spelling of 131244532 in words is "one hundred thirty-one million, two hundred forty-four thousand, five hundred thirty-two".