348311381 has 8 divisors (see below), whose sum is σ = 392233728. Its totient is φ = 306432000.

The previous prime is 348311339. The next prime is 348311387. The reversal of 348311381 is 183113843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 348311381 - 2¹⁰ = 348310357 is a prime.

It is a super-2 number, since 2×348311381² = 242641636268254322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348311387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510380 + ... + 511061.

It is an arithmetic number, because the mean of its divisors is an integer number (49029216).

Almost surely, 2^348311381 is an apocalyptic number.

348311381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

348311381 is a deficient number, since it is larger than the sum of its proper divisors (43922347).

348311381 is a wasteful number, since it uses less digits than its factorization.

348311381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021483.

The product of its digits is 6912, while the sum is 32.

The square root of 348311381 is about 18663.1021269241. The cubic root of 348311381 is about 703.5946930153.

It can be divided in two parts, 3 and 48311381, that added together give a palindrome (48311384).

The spelling of 348311381 in words is "three hundred forty-eight million, three hundred eleven thousand, three hundred eighty-one".