331312103113 has 4 divisors (see below), whose sum is σ = 331338883860. Its totient is φ = 331285322368.

The previous prime is 331312103099. The next prime is 331312103137. The reversal of 331312103113 is 311301213133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311301213133 = 2531 ⋅122995343.

It can be written as a sum of positive squares in 2 ways, for example, as 117643512064 + 213668591049 = 342992^2 + 462243^2 .

It is a cyclic number.

It is not a de Polignac number, because 331312103113 - 2¹⁷ = 331311972041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331312173113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13371808 + ... + 13396561.

It is an arithmetic number, because the mean of its divisors is an integer number (82834720965).

Almost surely, 2^331312103113 is an apocalyptic number.

It is an amenable number.

331312103113 is a deficient number, since it is larger than the sum of its proper divisors (26780747).

331312103113 is a wasteful number, since it uses less digits than its factorization.

331312103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780746.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 331312103113 its reverse (311301213133), we get a palindrome (642613316246).

The spelling of 331312103113 in words is "three hundred thirty-one billion, three hundred twelve million, one hundred three thousand, one hundred thirteen".