131243411 has 16 divisors (see below), whose sum is σ = 146227200. Its totient is φ = 117026208.

The previous prime is 131243347. The next prime is 131243443. The reversal of 131243411 is 114342131.

It is not a de Polignac number, because 131243411 - 2⁶ = 131243347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131243461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46910 + ... + 49628.

It is an arithmetic number, because the mean of its divisors is an integer number (9139200).

Almost surely, 2^131243411 is an apocalyptic number.

131243411 is a deficient number, since it is larger than the sum of its proper divisors (14983789).

131243411 is a wasteful number, since it uses less digits than its factorization.

131243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its digits is 288, while the sum is 20.

The square root of 131243411 is about 11456.1516662446. The cubic root of 131243411 is about 508.1896740929.

Adding to 131243411 its reverse (114342131), we get a palindrome (245585542).

The spelling of 131243411 in words is "one hundred thirty-one million, two hundred forty-three thousand, four hundred eleven".