2054211072631 has 4 divisors (see below), whose sum is σ = 2143524597552. Its totient is φ = 1964897547712.

The previous prime is 2054211072569. The next prime is 2054211072647. The reversal of 2054211072631 is 1362701124502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2054211072631 - 2⁹ = 2054211072119 is a prime.

It is a super-2 number, since 2×2054211072631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054211072671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44656762426 + ... + 44656762471.

It is an arithmetic number, because the mean of its divisors is an integer number (535881149388).

Almost surely, 2^{2054211072631} is an apocalyptic number.

2054211072631 is a deficient number, since it is larger than the sum of its proper divisors (89313524921).

2054211072631 is an equidigital number, since it uses as much as digits as its factorization.

2054211072631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89313524920.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 2054211072631 in words is "two trillion, fifty-four billion, two hundred eleven million, seventy-two thousand, six hundred thirty-one".