2215114642431 has 28 divisors (see below), whose sum is σ = 3324181367232. Its totient is φ = 1475396397216.

The previous prime is 2215114642421. The next prime is 2215114642459. The reversal of 2215114642431 is 1342464115122.

2215114642431 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 1 + 1 + 4 + 642 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 2215114642431 - 2¹⁰ = 2215114641407 is a prime.

It is a super-2 number, since 2×2215114642431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215114642421) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 585231 + ... + 2184656.

Almost surely, 2^{2215114642431} is an apocalyptic number.

2215114642431 is a deficient number, since it is larger than the sum of its proper divisors (1109066724801).

2215114642431 is an equidigital number, since it uses as much as digits as its factorization.

2215114642431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771002 (or 2770987 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

Adding to 2215114642431 its reverse (1342464115122), we get a palindrome (3557578757553).

The spelling of 2215114642431 in words is "two trillion, two hundred fifteen billion, one hundred fourteen million, six hundred forty-two thousand, four hundred thirty-one".