348314881 has 2 divisors, whose sum is σ = 348314882. Its totient is φ = 348314880.

The previous prime is 348314867. The next prime is 348314903. The reversal of 348314881 is 188413843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345625281 + 2689600 = 18591^2 + 1640^2 .

It is an emirp because it is prime and its reverse (188413843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348314881 - 2⁷ = 348314753 is a prime.

It is a super-2 number, since 2×348314881² = 242646512652088322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (348314801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174157440 + 174157441.

It is an arithmetic number, because the mean of its divisors is an integer number (174157441).

Almost surely, 2^348314881 is an apocalyptic number.

It is an amenable number.

348314881 is a deficient number, since it is larger than the sum of its proper divisors (1).

348314881 is an equidigital number, since it uses as much as digits as its factorization.

348314881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The square root of 348314881 is about 18663.1958945943. The cubic root of 348314881 is about 703.5970496932.

The spelling of 348314881 in words is "three hundred forty-eight million, three hundred fourteen thousand, eight hundred eighty-one".