131053501 has 2 divisors, whose sum is σ = 131053502. Its totient is φ = 131053500.

The previous prime is 131053487. The next prime is 131053513. The reversal of 131053501 is 105350131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 18481401 = 10610^2 + 4299^2 .

It is an emirp because it is prime and its reverse (105350131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131053501 - 2¹⁵ = 131020733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131053591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65526750 + 65526751.

It is an arithmetic number, because the mean of its divisors is an integer number (65526751).

Almost surely, 2^131053501 is an apocalyptic number.

It is an amenable number.

131053501 is a deficient number, since it is larger than the sum of its proper divisors (1).

131053501 is an equidigital number, since it uses as much as digits as its factorization.

131053501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 131053501 is about 11447.8601057141. The cubic root of 131053501 is about 507.9444379371.

The spelling of 131053501 in words is "one hundred thirty-one million, fifty-three thousand, five hundred one".