131023124 has 12 divisors (see below), whose sum is σ = 230455764. Its totient is φ = 65178624.

The previous prime is 131023117. The next prime is 131023127. The reversal of 131023124 is 421320131.

It can be written as a sum of positive squares in 2 ways, for example, as 101646724 + 29376400 = 10082^2 + 5420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82349 + ... + 83924.

It is an arithmetic number, because the mean of its divisors is an integer number (19204647).

Almost surely, 2^131023124 is an apocalyptic number.

It is an amenable number.

131023124 is a deficient number, since it is larger than the sum of its proper divisors (99432640).

131023124 is a wasteful number, since it uses less digits than its factorization.

131023124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166474 (or 166472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131023124 is about 11446.5332743150. The cubic root of 131023124 is about 507.9051892832.

Adding to 131023124 its reverse (421320131), we get a palindrome (552343255).

The spelling of 131023124 in words is "one hundred thirty-one million, twenty-three thousand, one hundred twenty-four".