348138011 has 32 divisors (see below), whose sum is σ = 403038720. Its totient is φ = 298368000.

The previous prime is 348137989. The next prime is 348138017. The reversal of 348138011 is 110831843.

It is a cyclic number.

It is not a de Polignac number, because 348138011 - 2¹⁸ = 347875867 is a prime.

It is a super-2 number, since 2×348138011² = 242400149406072242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348138017) 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 in 31 ways as a sum of consecutive naturals, for example, 1561046 + ... + 1561268.

It is an arithmetic number, because the mean of its divisors is an integer number (12594960).

Almost surely, 2^348138011 is an apocalyptic number.

348138011 is a deficient number, since it is larger than the sum of its proper divisors (54900709).

348138011 is a wasteful number, since it uses less digits than its factorization.

348138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 348138011 is about 18658.4568225778. The cubic root of 348138011 is about 703.4779368953.

Adding to 348138011 its reverse (110831843), we get a palindrome (458969854).

It can be divided in two parts, 34813 and 8011, that added together give a palindrome (42824).

The spelling of 348138011 in words is "three hundred forty-eight million, one hundred thirty-eight thousand, eleven".