313000242121 has 8 divisors (see below), whose sum is σ = 359005952960. Its totient is φ = 267317378928.

The previous prime is 313000242109. The next prime is 313000242143. The reversal of 313000242121 is 121242000313.

It is a happy number.

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 313000242121 - 2⁵ = 313000242089 is a prime.

It is a super-3 number, since 3×313000242121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313000242151) 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, 80709831 + ... + 80713708.

It is an arithmetic number, because the mean of its divisors is an integer number (44875744120).

Almost surely, 2^313000242121 is an apocalyptic number.

It is an amenable number.

313000242121 is a deficient number, since it is larger than the sum of its proper divisors (46005710839).

313000242121 is a wasteful number, since it uses less digits than its factorization.

313000242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161423823.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 313000242121 its reverse (121242000313), we get a palindrome (434242242434).

The spelling of 313000242121 in words is "three hundred thirteen billion, two hundred forty-two thousand, one hundred twenty-one".