165232631 has 2 divisors, whose sum is σ = 165232632. Its totient is φ = 165232630.

The previous prime is 165232603. The next prime is 165232651. The reversal of 165232631 is 136232561.

It is a strong prime.

It is an emirp because it is prime and its reverse (136232561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165232631 - 2⁶ = 165232567 is a prime.

It is a super-2 number, since 2×165232631² = 54603644694364322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 165232594 and 165232603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165232601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82616315 + 82616316.

It is an arithmetic number, because the mean of its divisors is an integer number (82616316).

Almost surely, 2^165232631 is an apocalyptic number.

165232631 is a deficient number, since it is larger than the sum of its proper divisors (1).

165232631 is an equidigital number, since it uses as much as digits as its factorization.

165232631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 165232631 is about 12854.2845386276. The cubic root of 165232631 is about 548.7382990536.

The spelling of 165232631 in words is "one hundred sixty-five million, two hundred thirty-two thousand, six hundred thirty-one".