131432851 has 4 divisors (see below), whose sum is σ = 143381304. Its totient is φ = 119484400.

The previous prime is 131432809. The next prime is 131432869. The reversal of 131432851 is 158234131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131432851 - 2¹³ = 131424659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131432801) 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, 5974210 + ... + 5974231.

It is an arithmetic number, because the mean of its divisors is an integer number (35845326).

Almost surely, 2^131432851 is an apocalyptic number.

131432851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131432851 is a deficient number, since it is larger than the sum of its proper divisors (11948453).

131432851 is a wasteful number, since it uses less digits than its factorization.

131432851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948452.

The product of its digits is 2880, while the sum is 28.

The square root of 131432851 is about 11464.4167317836. The cubic root of 131432851 is about 508.4340677430.

Adding to 131432851 its reverse (158234131), we get a palindrome (289666982).

The spelling of 131432851 in words is "one hundred thirty-one million, four hundred thirty-two thousand, eight hundred fifty-one".