314342308421 has 2 divisors, whose sum is σ = 314342308422. Its totient is φ = 314342308420.

The previous prime is 314342308409. The next prime is 314342308429. The reversal of 314342308421 is 124803243413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192391890625 + 121950417796 = 438625^2 + 349214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314342308421 is a prime.

It is a super-2 number, since 2×314342308421² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314342308429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157171154210 + 157171154211.

It is an arithmetic number, because the mean of its divisors is an integer number (157171154211).

Almost surely, 2^314342308421 is an apocalyptic number.

It is an amenable number.

314342308421 is a deficient number, since it is larger than the sum of its proper divisors (1).

314342308421 is an equidigital number, since it uses as much as digits as its factorization.

314342308421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 314342308421 in words is "three hundred fourteen billion, three hundred forty-two million, three hundred eight thousand, four hundred twenty-one".