131043442 has 8 divisors (see below), whose sum is σ = 196660332. Its totient is φ = 65490000.

The previous prime is 131043427. The next prime is 131043467. The reversal of 131043442 is 244340131.

It can be written as a sum of positive squares in 2 ways, for example, as 130850721 + 192721 = 11439^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10309 + ... + 19192.

Almost surely, 2^131043442 is an apocalyptic number.

131043442 is a deficient number, since it is larger than the sum of its proper divisors (65616890).

131043442 is a wasteful number, since it uses less digits than its factorization.

131043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31724.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 131043442 is about 11447.4207575331. The cubic root of 131043442 is about 507.9314418609.

Adding to 131043442 its reverse (244340131), we get a palindrome (375383573).

The spelling of 131043442 in words is "one hundred thirty-one million, forty-three thousand, four hundred forty-two".