3118640056431 has 8 divisors (see below), whose sum is σ = 4158727428864. Its totient is φ = 2078823027480.

The previous prime is 3118640056429. The next prime is 3118640056451. The reversal of 3118640056431 is 1346500468113.

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

It is not a de Polignac number, because 3118640056431 - 2¹ = 3118640056429 is a prime.

It is a super-2 number, since 2×3118640056431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3118640056451) 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, 67558951 + ... + 67605096.

It is an arithmetic number, because the mean of its divisors is an integer number (519840928608).

Almost surely, 2^{3118640056431} is an apocalyptic number.

3118640056431 is a deficient number, since it is larger than the sum of its proper divisors (1040087372433).

3118640056431 is a wasteful number, since it uses less digits than its factorization.

3118640056431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135171741.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 3118640056431 in words is "three trillion, one hundred eighteen billion, six hundred forty million, fifty-six thousand, four hundred thirty-one".