131632343 has 4 divisors (see below), whose sum is σ = 139375440. Its totient is φ = 123889248.

The previous prime is 131632313. The next prime is 131632349. The reversal of 131632343 is 343236131.

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 131632343 - 2²² = 127438039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131632349) 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, 3871523 + ... + 3871556.

It is an arithmetic number, because the mean of its divisors is an integer number (34843860).

Almost surely, 2^131632343 is an apocalyptic number.

131632343 is a deficient number, since it is larger than the sum of its proper divisors (7743097).

131632343 is an equidigital number, since it uses as much as digits as its factorization.

131632343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743096.

The product of its digits is 3888, while the sum is 26.

The square root of 131632343 is about 11473.1139190718. The cubic root of 131632343 is about 508.6911755984.

Adding to 131632343 its reverse (343236131), we get a palindrome (474868474).

The spelling of 131632343 in words is "one hundred thirty-one million, six hundred thirty-two thousand, three hundred forty-three".