103151591 has 2 divisors, whose sum is σ = 103151592. Its totient is φ = 103151590.

The previous prime is 103151567. The next prime is 103151593. The reversal of 103151591 is 195151301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103151591 is a prime.

Together with 103151593, 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 103151591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103151593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51575795 + 51575796.

It is an arithmetic number, because the mean of its divisors is an integer number (51575796).

Almost surely, 2^103151591 is an apocalyptic number.

103151591 is a deficient number, since it is larger than the sum of its proper divisors (1).

103151591 is an equidigital number, since it uses as much as digits as its factorization.

103151591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 26.

The square root of 103151591 is about 10156.3571717422. The cubic root of 103151591 is about 468.9846664775.

The spelling of 103151591 in words is "one hundred three million, one hundred fifty-one thousand, five hundred ninety-one".