2106056631 has 8 divisors (see below), whose sum is σ = 3209229184. Its totient is φ = 1203460920.

The previous prime is 2106056569. The next prime is 2106056639. The reversal of 2106056631 is 1366506012.

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

It is not a de Polignac number, because 2106056631 - 2⁹ = 2106056119 is a prime.

It is a super-2 number, since 2×2106056631² = 8870949065958140322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106056639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50144185 + ... + 50144226.

It is an arithmetic number, because the mean of its divisors is an integer number (401153648).

Almost surely, 2^2106056631 is an apocalyptic number.

2106056631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2106056631 is a deficient number, since it is larger than the sum of its proper divisors (1103172553).

2106056631 is a wasteful number, since it uses less digits than its factorization.

2106056631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100288421.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2106056631 is about 45891.7926322344. The cubic root of 2106056631 is about 1281.8090937195.

The spelling of 2106056631 in words is "two billion, one hundred six million, fifty-six thousand, six hundred thirty-one".