131243032 has 32 divisors (see below), whose sum is σ = 259599600. Its totient is φ = 62031744.

The previous prime is 131243027. The next prime is 131243069. The reversal of 131243032 is 230342131.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116938 + ... + 118054.

Almost surely, 2^131243032 is an apocalyptic number.

It is an amenable number.

131243032 is a deficient number, since it is larger than the sum of its proper divisors (128356568).

131243032 is a wasteful number, since it uses less digits than its factorization.

131243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131243032 is about 11456.1351249014. The cubic root of 131243032 is about 508.1891849152.

Adding to 131243032 its reverse (230342131), we get a palindrome (361585163).

Subtracting 131243032 from its reverse (230342131), we obtain a palindrome (99099099).

It can be divided in two parts, 1312 and 43032, that added together give a palindrome (44344).

The spelling of 131243032 in words is "one hundred thirty-one million, two hundred forty-three thousand, thirty-two".