103165631 has 2 divisors, whose sum is σ = 103165632. Its totient is φ = 103165630.

The previous prime is 103165619. The next prime is 103165633. The reversal of 103165631 is 136561301.

It is a strong prime.

It is an emirp because it is prime and its reverse (136561301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103165631 - 2⁶ = 103165567 is a prime.

It is a super-2 number, since 2×103165631² = 21286294839256322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 103165633, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103165631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103165633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51582815 + 51582816.

It is an arithmetic number, because the mean of its divisors is an integer number (51582816).

Almost surely, 2^103165631 is an apocalyptic number.

103165631 is a deficient number, since it is larger than the sum of its proper divisors (1).

103165631 is an equidigital number, since it uses as much as digits as its factorization.

103165631 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 26.

The square root of 103165631 is about 10157.0483409305. The cubic root of 103165631 is about 469.0059434025.

The spelling of 103165631 in words is "one hundred three million, one hundred sixty-five thousand, six hundred thirty-one".