162231343289 has 2 divisors, whose sum is σ = 162231343290. Its totient is φ = 162231343288.

The previous prime is 162231343207. The next prime is 162231343301. The reversal of 162231343289 is 982343132261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162140712889 + 90630400 = 402667^2 + 9520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162231343289 is a prime.

It is not a weakly prime, because it can be changed into another prime (162231343789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81115671644 + 81115671645.

It is an arithmetic number, because the mean of its divisors is an integer number (81115671645).

Almost surely, 2^162231343289 is an apocalyptic number.

It is an amenable number.

162231343289 is a deficient number, since it is larger than the sum of its proper divisors (1).

162231343289 is an equidigital number, since it uses as much as digits as its factorization.

162231343289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The spelling of 162231343289 in words is "one hundred sixty-two billion, two hundred thirty-one million, three hundred forty-three thousand, two hundred eighty-nine".