313234121 has 2 divisors, whose sum is σ = 313234122. Its totient is φ = 313234120.

The previous prime is 313234111. The next prime is 313234151. The reversal of 313234121 is 121432313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299809225 + 13424896 = 17315^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 313234121 - 2¹⁸ = 312971977 is a prime.

It is a super-2 number, since 2×313234121² = 196231229117285282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313234093 and 313234102.

It is not a weakly prime, because it can be changed into another prime (313234111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156617060 + 156617061.

It is an arithmetic number, because the mean of its divisors is an integer number (156617061).

Almost surely, 2^313234121 is an apocalyptic number.

It is an amenable number.

313234121 is a deficient number, since it is larger than the sum of its proper divisors (1).

313234121 is an equidigital number, since it uses as much as digits as its factorization.

313234121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 313234121 is about 17698.4214267827. The cubic root of 313234121 is about 679.1353781731.

Adding to 313234121 its reverse (121432313), we get a palindrome (434666434).

The spelling of 313234121 in words is "three hundred thirteen million, two hundred thirty-four thousand, one hundred twenty-one".