3115786431 has 8 divisors (see below), whose sum is σ = 4255708464. Its totient is φ = 2026527680.

The previous prime is 3115786411. The next prime is 3115786433. The reversal of 3115786431 is 1346875113.

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 3115786431 - 2²⁷ = 2981568703 is a prime.

It is a super-3 number, since 3×3115786431³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3115786431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115786433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12665676 + ... + 12665921.

It is an arithmetic number, because the mean of its divisors is an integer number (531963558).

Almost surely, 2^3115786431 is an apocalyptic number.

3115786431 is a deficient number, since it is larger than the sum of its proper divisors (1139922033).

3115786431 is a wasteful number, since it uses less digits than its factorization.

3115786431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331641.

The product of its digits is 60480, while the sum is 39.

The square root of 3115786431 is about 55819.2299391527. The cubic root of 3115786431 is about 1460.5706206061.

The spelling of 3115786431 in words is "three billion, one hundred fifteen million, seven hundred eighty-six thousand, four hundred thirty-one".