349115000831 has 4 divisors (see below), whose sum is σ = 358550541432. Its totient is φ = 339679460232.

The previous prime is 349115000821. The next prime is 349115000833. The reversal of 349115000831 is 138000511943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138000511943 = 7 ⋅19714358849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349115000831 is a prime.

It is a super-3 number, since 3×349115000831³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349115000791 and 349115000800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349115000833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717770245 + ... + 4717770318.

It is an arithmetic number, because the mean of its divisors is an integer number (89637635358).

Almost surely, 2^349115000831 is an apocalyptic number.

349115000831 is a deficient number, since it is larger than the sum of its proper divisors (9435540601).

349115000831 is an equidigital number, since it uses as much as digits as its factorization.

349115000831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435540600.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 349115000831 in words is "three hundred forty-nine billion, one hundred fifteen million, eight hundred thirty-one", and thus it is an aban number.