131039131 has 2 divisors, whose sum is σ = 131039132. Its totient is φ = 131039130.

The previous prime is 131039107. The next prime is 131039141. The reversal of 131039131 is 131930131.

It is a strong prime.

It is an emirp because it is prime and its reverse (131930131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131039131 - 2⁵ = 131039099 is a prime.

It is a super-2 number, since 2×131039131² = 34342507706470322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131039141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65519565 + 65519566.

It is an arithmetic number, because the mean of its divisors is an integer number (65519566).

Almost surely, 2^131039131 is an apocalyptic number.

131039131 is a deficient number, since it is larger than the sum of its proper divisors (1).

131039131 is an equidigital number, since it uses as much as digits as its factorization.

131039131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 131039131 is about 11447.2324602936. The cubic root of 131039131 is about 507.9258719104.

Adding to 131039131 its reverse (131930131), we get a palindrome (262969262).

The spelling of 131039131 in words is "one hundred thirty-one million, thirty-nine thousand, one hundred thirty-one".