131432105 has 8 divisors (see below), whose sum is σ = 180249792. Its totient is φ = 90124848.

The previous prime is 131432087. The next prime is 131432107. The reversal of 131432105 is 501234131.

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

It is a cyclic number.

It is not a de Polignac number, because 131432105 - 2¹² = 131428009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131432107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877567 + ... + 1877636.

It is an arithmetic number, because the mean of its divisors is an integer number (22531224).

Almost surely, 2^131432105 is an apocalyptic number.

It is an amenable number.

131432105 is a deficient number, since it is larger than the sum of its proper divisors (48817687).

131432105 is an equidigital number, since it uses as much as digits as its factorization.

131432105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755215.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131432105 is about 11464.3841962837. The cubic root of 131432105 is about 508.4331058005.

Adding to 131432105 its reverse (501234131), we get a palindrome (632666236).

The spelling of 131432105 in words is "one hundred thirty-one million, four hundred thirty-two thousand, one hundred five".