313100121 has 16 divisors (see below), whose sum is σ = 423188480. Its totient is φ = 205889040.

The previous prime is 313100119. The next prime is 313100143. The reversal of 313100121 is 121001313.

It is not a de Polignac number, because 313100121 - 2¹ = 313100119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313100097 and 313100106.

It is not an unprimeable number, because it can be changed into a prime (313100111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81870 + ... + 85608.

It is an arithmetic number, because the mean of its divisors is an integer number (26449280).

Almost surely, 2^313100121 is an apocalyptic number.

It is an amenable number.

313100121 is a deficient number, since it is larger than the sum of its proper divisors (110088359).

313100121 is a wasteful number, since it uses less digits than its factorization.

313100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 313100121 is about 17694.6353734684. The cubic root of 313100121 is about 679.0385207804.

Adding to 313100121 its reverse (121001313), we get a palindrome (434101434).

The spelling of 313100121 in words is "three hundred thirteen million, one hundred thousand, one hundred twenty-one".