131022163 has 2 divisors, whose sum is σ = 131022164. Its totient is φ = 131022162.

The previous prime is 131022137. The next prime is 131022169. The reversal of 131022163 is 361220131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131022163 - 2²¹ = 128925011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131022163.

It is not a weakly prime, because it can be changed into another prime (131022169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511081 + 65511082.

It is an arithmetic number, because the mean of its divisors is an integer number (65511082).

Almost surely, 2^131022163 is an apocalyptic number.

131022163 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022163 is an equidigital number, since it uses as much as digits as its factorization.

131022163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 131022163 is about 11446.4912964629. The cubic root of 131022163 is about 507.9039475225.

Adding to 131022163 its reverse (361220131), we get a palindrome (492242294).

The spelling of 131022163 in words is "one hundred thirty-one million, twenty-two thousand, one hundred sixty-three".