103381191 has 24 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 68697720.

The previous prime is 103381189. The next prime is 103381193. The reversal of 103381191 is 191183301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103381189) and next prime (103381193).

It is not a de Polignac number, because 103381191 - 2¹ = 103381189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103381193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113026 + ... + 113936.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^103381191 is an apocalyptic number.

103381191 is a deficient number, since it is larger than the sum of its proper divisors (51979833).

103381191 is an frugal number, since it uses more digits than its factorization.

103381191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 103381191 is about 10167.6541542285. The cubic root of 103381191 is about 469.3323718455.

The spelling of 103381191 in words is "one hundred three million, three hundred eighty-one thousand, one hundred ninety-one".