103131085 has 8 divisors (see below), whose sum is σ = 124442136. Its totient is φ = 82048320.

The previous prime is 103131073. The next prime is 103131097. The reversal of 103131085 is 580131301.

It is an interprime number because it is at equal distance from previous prime (103131073) and next prime (103131097).

It can be written as a sum of positive squares in 4 ways, for example, as 5299204 + 97831881 = 2302^2 + 9891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103131085 - 2⁷ = 103130957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56074 + ... + 57883.

It is an arithmetic number, because the mean of its divisors is an integer number (15555267).

Almost surely, 2^103131085 is an apocalyptic number.

It is an amenable number.

103131085 is a deficient number, since it is larger than the sum of its proper divisors (21311051).

103131085 is a wasteful number, since it uses less digits than its factorization.

103131085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114143.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 103131085 is about 10155.3476060645. The cubic root of 103131085 is about 468.9535871802.

Adding to 103131085 its reverse (580131301), we get a palindrome (683262386).

The spelling of 103131085 in words is "one hundred three million, one hundred thirty-one thousand, eighty-five".