131678011 has 4 divisors (see below), whose sum is σ = 131702400. Its totient is φ = 131653624.

The previous prime is 131677993. The next prime is 131678017. The reversal of 131678011 is 110876131.

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 131678011 - 2⁹ = 131677499 is a prime.

It is a super-2 number, since 2×131678011² = 34678197161832242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131678017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (32925600).

Almost surely, 2^131678011 is an apocalyptic number.

131678011 is a deficient number, since it is larger than the sum of its proper divisors (24389).

131678011 is an equidigital number, since it uses as much as digits as its factorization.

131678011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24388.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 131678011 is about 11475.1039646706. The cubic root of 131678011 is about 508.7499965590.

The spelling of 131678011 in words is "one hundred thirty-one million, six hundred seventy-eight thousand, eleven".