131029168 has 20 divisors (see below), whose sum is σ = 267231160. Its totient is φ = 62066304.

The previous prime is 131029133. The next prime is 131029169. The reversal of 131029168 is 861920131.

It is not an unprimeable number, because it can be changed into a prime (131029169) 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, 215205 + ... + 215812.

It is an arithmetic number, because the mean of its divisors is an integer number (13361558).

Almost surely, 2^131029168 is an apocalyptic number.

It is an amenable number.

131029168 is an abundant number, since it is smaller than the sum of its proper divisors (136201992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131029168 is a wasteful number, since it uses less digits than its factorization.

131029168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431044 (or 431038 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 131029168 is about 11446.7972813359. The cubic root of 131029168 is about 507.9129989269.

Adding to 131029168 its reverse (861920131), we get a palindrome (992949299).

The spelling of 131029168 in words is "one hundred thirty-one million, twenty-nine thousand, one hundred sixty-eight".