131440411 has 4 divisors (see below), whose sum is σ = 131642352. Its totient is φ = 131238472.

The previous prime is 131440409. The next prime is 131440427. The reversal of 131440411 is 114044131.

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 131440411 - 2¹ = 131440409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131440471) 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, 99991 + ... + 101296.

It is an arithmetic number, because the mean of its divisors is an integer number (32910588).

Almost surely, 2^131440411 is an apocalyptic number.

131440411 is a deficient number, since it is larger than the sum of its proper divisors (201941).

131440411 is an equidigital number, since it uses as much as digits as its factorization.

131440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201940.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 131440411 is about 11464.7464429005. The cubic root of 131440411 is about 508.4438159092.

Adding to 131440411 its reverse (114044131), we get a palindrome (245484542).

The spelling of 131440411 in words is "one hundred thirty-one million, four hundred forty thousand, four hundred eleven".