131052169 has 2 divisors, whose sum is σ = 131052170. Its totient is φ = 131052168.

The previous prime is 131052151. The next prime is 131052179. The reversal of 131052169 is 961250131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115842169 + 15210000 = 10763^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 131052169 - 2⁷ = 131052041 is a prime.

It is a super-3 number, since 3×131052169³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (131052109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65526084 + 65526085.

It is an arithmetic number, because the mean of its divisors is an integer number (65526085).

Almost surely, 2^131052169 is an apocalyptic number.

It is an amenable number.

131052169 is a deficient number, since it is larger than the sum of its proper divisors (1).

131052169 is an equidigital number, since it uses as much as digits as its factorization.

131052169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 131052169 is about 11447.8019287547. The cubic root of 131052169 is about 507.9427170514.

The spelling of 131052169 in words is "one hundred thirty-one million, fifty-two thousand, one hundred sixty-nine".