103442791 has 2 divisors, whose sum is σ = 103442792. Its totient is φ = 103442790.

The previous prime is 103442749. The next prime is 103442813. The reversal of 103442791 is 197244301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103442791 - 2⁷ = 103442663 is a prime.

It is a super-2 number, since 2×103442791² = 21400822019739362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103442711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51721395 + 51721396.

It is an arithmetic number, because the mean of its divisors is an integer number (51721396).

Almost surely, 2^103442791 is an apocalyptic number.

103442791 is a deficient number, since it is larger than the sum of its proper divisors (1).

103442791 is an equidigital number, since it uses as much as digits as its factorization.

103442791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 103442791 is about 10170.6829170907. The cubic root of 103442791 is about 469.4255710484.

The spelling of 103442791 in words is "one hundred three million, four hundred forty-two thousand, seven hundred ninety-one".