371421313 has 2 divisors, whose sum is σ = 371421314. Its totient is φ = 371421312.

The previous prime is 371421311. The next prime is 371421317. The reversal of 371421313 is 313124173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192182769 + 179238544 = 13863^2 + 13388^2 .

It is a cyclic number.

It is not a de Polignac number, because 371421313 - 2¹ = 371421311 is a prime.

Together with 371421311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (371421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185710656 + 185710657.

It is an arithmetic number, because the mean of its divisors is an integer number (185710657).

Almost surely, 2^371421313 is an apocalyptic number.

It is an amenable number.

371421313 is a deficient number, since it is larger than the sum of its proper divisors (1).

371421313 is an equidigital number, since it uses as much as digits as its factorization.

371421313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 371421313 is about 19272.2939215860. The cubic root of 371421313 is about 718.8235113924.

Adding to 371421313 its reverse (313124173), we get a palindrome (684545486).

The spelling of 371421313 in words is "three hundred seventy-one million, four hundred twenty-one thousand, three hundred thirteen".