103550031317 has 4 divisors (see below), whose sum is σ = 105247572876. Its totient is φ = 101852489760.

The previous prime is 103550031313. The next prime is 103550031349. The reversal of 103550031317 is 713130055301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46998337681 + 56551693636 = 216791^2 + 237806^2 .

It is a cyclic number.

It is not a de Polignac number, because 103550031317 - 2² = 103550031313 is a prime.

It is a super-3 number, since 3×103550031317³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103550031317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103550031313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848770688 + ... + 848770809.

It is an arithmetic number, because the mean of its divisors is an integer number (26311893219).

Almost surely, 2^103550031317 is an apocalyptic number.

It is an amenable number.

103550031317 is a deficient number, since it is larger than the sum of its proper divisors (1697541559).

103550031317 is an equidigital number, since it uses as much as digits as its factorization.

103550031317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697541558.

The product of its (nonzero) digits is 4725, while the sum is 29.

Adding to 103550031317 its reverse (713130055301), we get a palindrome (816680086618).

The spelling of 103550031317 in words is "one hundred three billion, five hundred fifty million, thirty-one thousand, three hundred seventeen".