314127421 has 2 divisors, whose sum is σ = 314127422. Its totient is φ = 314127420.

The previous prime is 314127403. The next prime is 314127487. The reversal of 314127421 is 124721413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289476196 + 24651225 = 17014^2 + 4965^2 .

It is a cyclic number.

It is not a de Polignac number, because 314127421 - 2⁹ = 314126909 is a prime.

It is a super-2 number, since 2×314127421² = 197352073248222482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314121421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157063710 + 157063711.

It is an arithmetic number, because the mean of its divisors is an integer number (157063711).

Almost surely, 2^314127421 is an apocalyptic number.

It is an amenable number.

314127421 is a deficient number, since it is larger than the sum of its proper divisors (1).

314127421 is an equidigital number, since it uses as much as digits as its factorization.

314127421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 314127421 is about 17723.6401735084. The cubic root of 314127421 is about 679.7803651976.

Adding to 314127421 its reverse (124721413), we get a palindrome (438848834).

The spelling of 314127421 in words is "three hundred fourteen million, one hundred twenty-seven thousand, four hundred twenty-one".