131001411 has 4 divisors (see below), whose sum is σ = 174668552. Its totient is φ = 87334272.

The previous prime is 131001407. The next prime is 131001419. The reversal of 131001411 is 114100131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131001411 - 2² = 131001407 is a prime.

It is a super-2 number, since 2×131001411² = 34322739367981842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001419) 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, 21833566 + ... + 21833571.

It is an arithmetic number, because the mean of its divisors is an integer number (43667138).

Almost surely, 2^131001411 is an apocalyptic number.

131001411 is a deficient number, since it is larger than the sum of its proper divisors (43667141).

131001411 is an equidigital number, since it uses as much as digits as its factorization.

131001411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43667140.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 131001411 is about 11445.5847819148. The cubic root of 131001411 is about 507.8771312471.

Adding to 131001411 its reverse (114100131), we get a palindrome (245101542).

The spelling of 131001411 in words is "one hundred thirty-one million, one thousand, four hundred eleven".