131031411 has 16 divisors (see below), whose sum is σ = 200826624. Its totient is φ = 74440224.

The previous prime is 131031409. The next prime is 131031419. The reversal of 131031411 is 114130131.

It is not a de Polignac number, because 131031411 - 2¹ = 131031409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131031419) 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 15 ways as a sum of consecutive naturals, for example, 14401 + ... + 21666.

It is an arithmetic number, because the mean of its divisors is an integer number (12551664).

Almost surely, 2^131031411 is an apocalyptic number.

131031411 is a deficient number, since it is larger than the sum of its proper divisors (69795213).

131031411 is a wasteful number, since it uses less digits than its factorization.

131031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36250.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 131031411 is about 11446.8952559198. The cubic root of 131031411 is about 507.9158971171.

Adding to 131031411 its reverse (114130131), we get a palindrome (245161542).

The spelling of 131031411 in words is "one hundred thirty-one million, thirty-one thousand, four hundred eleven".