103112031313 has 8 divisors (see below), whose sum is σ = 105640607016. Its totient is φ = 100584105600.

The previous prime is 103112031299. The next prime is 103112031359. The reversal of 103112031313 is 313130211301.

It can be written as a sum of positive squares in 4 ways, for example, as 2024280064 + 101087751249 = 44992^2 + 317943^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103112031313 - 2¹³ = 103112023121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103112331313) 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, 166743 + ... + 483763.

It is an arithmetic number, because the mean of its divisors is an integer number (13205075877).

Almost surely, 2^103112031313 is an apocalyptic number.

It is an amenable number.

103112031313 is a deficient number, since it is larger than the sum of its proper divisors (2528575703).

103112031313 is an equidigital number, since it uses as much as digits as its factorization.

103112031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324995.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103112031313 its reverse (313130211301), we get a palindrome (416242242614).

The spelling of 103112031313 in words is "one hundred three billion, one hundred twelve million, thirty-one thousand, three hundred thirteen".