131171076 has 30 divisors (see below), whose sum is σ = 342907950. Its totient is φ = 43723584.

The previous prime is 131171069. The next prime is 131171077. The reversal of 131171076 is 670171131.

It can be written as a sum of positive squares in only one way, i.e., 124545600 + 6625476 = 11160^2 + 2574^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131171077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 202101 + ... + 202748.

It is an arithmetic number, because the mean of its divisors is an integer number (11430265).

Almost surely, 2^131171076 is an apocalyptic number.

It is an amenable number.

131171076 is an abundant number, since it is smaller than the sum of its proper divisors (211736874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131171076 is a wasteful number, since it uses less digits than its factorization.

131171076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404865 (or 404854 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 131171076 is about 11452.9941936596. The cubic root of 131171076 is about 508.0962937719.

The spelling of 131171076 in words is "one hundred thirty-one million, one hundred seventy-one thousand, seventy-six".