131006411 has 4 divisors (see below), whose sum is σ = 132664800. Its totient is φ = 129348024.

The previous prime is 131006401. The next prime is 131006429. The reversal of 131006411 is 114600131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114600131 = 829 ⋅138239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131006411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131006411.

It is not an unprimeable number, because it can be changed into a prime (131006401) 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, 829076 + ... + 829233.

It is an arithmetic number, because the mean of its divisors is an integer number (33166200).

Almost surely, 2^131006411 is an apocalyptic number.

131006411 is a deficient number, since it is larger than the sum of its proper divisors (1658389).

131006411 is an equidigital number, since it uses as much as digits as its factorization.

131006411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658388.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 131006411 is about 11445.8032046685. The cubic root of 131006411 is about 507.8835926364.

Adding to 131006411 its reverse (114600131), we get a palindrome (245606542).

The spelling of 131006411 in words is "one hundred thirty-one million, six thousand, four hundred eleven".