131702241 has 8 divisors (see below), whose sum is σ = 191566944. Its totient is φ = 79819520.

The previous prime is 131702237. The next prime is 131702261. The reversal of 131702241 is 142207131.

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

It is not a de Polignac number, because 131702241 - 2² = 131702237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131702201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995456 + ... + 1995521.

It is an arithmetic number, because the mean of its divisors is an integer number (23945868).

Almost surely, 2^131702241 is an apocalyptic number.

131702241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131702241 is a deficient number, since it is larger than the sum of its proper divisors (59864703).

131702241 is a wasteful number, since it uses less digits than its factorization.

131702241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990991.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 131702241 is about 11476.1596799626. The cubic root of 131702241 is about 508.7811995830.

Adding to 131702241 its reverse (142207131), we get a palindrome (273909372).

The spelling of 131702241 in words is "one hundred thirty-one million, seven hundred two thousand, two hundred forty-one".