131622863 has 2 divisors, whose sum is σ = 131622864. Its totient is φ = 131622862.

The previous prime is 131622847. The next prime is 131622877. The reversal of 131622863 is 368226131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131622863 - 2⁴ = 131622847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131622563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65811431 + 65811432.

It is an arithmetic number, because the mean of its divisors is an integer number (65811432).

Almost surely, 2^131622863 is an apocalyptic number.

131622863 is a deficient number, since it is larger than the sum of its proper divisors (1).

131622863 is an equidigital number, since it uses as much as digits as its factorization.

131622863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 131622863 is about 11472.7007718322. The cubic root of 131622863 is about 508.6789635336.

Adding to 131622863 its reverse (368226131), we get a palindrome (499848994).

The spelling of 131622863 in words is "one hundred thirty-one million, six hundred twenty-two thousand, eight hundred sixty-three".