131130038929 has 2 divisors, whose sum is σ = 131130038930. Its totient is φ = 131130038928.

The previous prime is 131130038873. The next prime is 131130038939. The reversal of 131130038929 is 929830031131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85818530704 + 45311508225 = 292948^2 + 212865^2 .

It is a cyclic number.

It is not a de Polignac number, because 131130038929 - 2¹¹ = 131130036881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131130038891 and 131130038900.

It is not a weakly prime, because it can be changed into another prime (131130038939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565019464 + 65565019465.

It is an arithmetic number, because the mean of its divisors is an integer number (65565019465).

Almost surely, 2^131130038929 is an apocalyptic number.

It is an amenable number.

131130038929 is a deficient number, since it is larger than the sum of its proper divisors (1).

131130038929 is an equidigital number, since it uses as much as digits as its factorization.

131130038929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 131130038929 in words is "one hundred thirty-one billion, one hundred thirty million, thirty-eight thousand, nine hundred twenty-nine".