3115140631 has 8 divisors (see below), whose sum is σ = 3260409984. Its totient is φ = 2970690360.

The previous prime is 3115140629. The next prime is 3115140641. The reversal of 3115140631 is 1360415113.

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 3115140631 - 2¹ = 3115140629 is a prime.

It is a super-2 number, since 2×3115140631² = 19408202301814156322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3115140596 and 3115140605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115140601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196981 + ... + 212206.

It is an arithmetic number, because the mean of its divisors is an integer number (407551248).

Almost surely, 2^3115140631 is an apocalyptic number.

3115140631 is a deficient number, since it is larger than the sum of its proper divisors (145269353).

3115140631 is a wasteful number, since it uses less digits than its factorization.

3115140631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409541.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 3115140631 is about 55813.4448945771. Note that the first 3 decimals coincide. The cubic root of 3115140631 is about 1460.4697042240.

Adding to 3115140631 its reverse (1360415113), we get a palindrome (4475555744).

The spelling of 3115140631 in words is "three billion, one hundred fifteen million, one hundred forty thousand, six hundred thirty-one".