2000531145631 has 4 divisors (see below), whose sum is σ = 2000652502032. Its totient is φ = 2000409789232.

The previous prime is 2000531145629. The next prime is 2000531145637. The reversal of 2000531145631 is 1365411350002.

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 2000531145631 - 2¹ = 2000531145629 is a prime.

It is a super-2 number, since 2×2000531145631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000531145593 and 2000531145602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000531145637) 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 3 ways as a sum of consecutive naturals, for example, 60653470 + ... + 60686443.

It is an arithmetic number, because the mean of its divisors is an integer number (500163125508).

Almost surely, 2^{2000531145631} is an apocalyptic number.

2000531145631 is a deficient number, since it is larger than the sum of its proper divisors (121356401).

2000531145631 is a wasteful number, since it uses less digits than its factorization.

2000531145631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121356400.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 2000531145631 its reverse (1365411350002), we get a palindrome (3365942495633).

The spelling of 2000531145631 in words is "two trillion, five hundred thirty-one million, one hundred forty-five thousand, six hundred thirty-one".