103131286 has 16 divisors (see below), whose sum is σ = 158710464. Its totient is φ = 50234184.

The previous prime is 103131283. The next prime is 103131307. The reversal of 103131286 is 682131301.

It is a self number, because there is not a number n which added to its sum of digits gives 103131286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36745 + ... + 39451.

It is an arithmetic number, because the mean of its divisors is an integer number (9919404).

Almost surely, 2^103131286 is an apocalyptic number.

103131286 is a deficient number, since it is larger than the sum of its proper divisors (55579178).

103131286 is a wasteful number, since it uses less digits than its factorization.

103131286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103131286 is about 10155.3575023236. The cubic root of 103131286 is about 468.9538918397.

Adding to 103131286 its reverse (682131301), we get a palindrome (785262587).

The spelling of 103131286 in words is "one hundred three million, one hundred thirty-one thousand, two hundred eighty-six".