313354121 has 2 divisors, whose sum is σ = 313354122. Its totient is φ = 313354120.

The previous prime is 313354087. The next prime is 313354127. The reversal of 313354121 is 121453313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311028496 + 2325625 = 17636^2 + 1525^2 .

It is an emirp because it is prime and its reverse (121453313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313354121 - 2⁶ = 313354057 is a prime.

It is not a weakly prime, because it can be changed into another prime (313354127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156677060 + 156677061.

It is an arithmetic number, because the mean of its divisors is an integer number (156677061).

Almost surely, 2^313354121 is an apocalyptic number.

It is an amenable number.

313354121 is a deficient number, since it is larger than the sum of its proper divisors (1).

313354121 is an equidigital number, since it uses as much as digits as its factorization.

313354121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 313354121 is about 17701.8112350121. The cubic root of 313354121 is about 679.2220926943. Note that the first 3 decimals are identical.

The spelling of 313354121 in words is "three hundred thirteen million, three hundred fifty-four thousand, one hundred twenty-one".