313105150121 has 4 divisors (see below), whose sum is σ = 313107301200. Its totient is φ = 313102999044.

The previous prime is 313105150103. The next prime is 313105150147. The reversal of 313105150121 is 121051501313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121051501313 = 613 ⋅197473901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313105150121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313105150021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840011 + ... + 1154048.

It is an arithmetic number, because the mean of its divisors is an integer number (78276825300).

Almost surely, 2^313105150121 is an apocalyptic number.

It is an amenable number.

313105150121 is a deficient number, since it is larger than the sum of its proper divisors (2151079).

313105150121 is a wasteful number, since it uses less digits than its factorization.

313105150121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151078.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 313105150121 its reverse (121051501313), we get a palindrome (434156651434).

The spelling of 313105150121 in words is "three hundred thirteen billion, one hundred five million, one hundred fifty thousand, one hundred twenty-one".