210534116120631 has 6 divisors (see below), whose sum is σ = 304104834396480. Its totient is φ = 140356077413748.

The previous prime is 210534116120561. The next prime is 210534116120663. The reversal of 210534116120631 is 136021611435012.

210534116120631 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 3 + 4 + 1 + 1 + 6 + 12 + 0 + 631 = 666.

It is not a de Polignac number, because 210534116120631 - 2²³ = 210534107732023 is a prime.

It is a super-2 number, since 2×210534116120631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210534116120431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11696339784471 + ... + 11696339784488.

It is an arithmetic number, because the mean of its divisors is an integer number (50684139066080).

Almost surely, 2^{210534116120631} is an apocalyptic number.

210534116120631 is a deficient number, since it is larger than the sum of its proper divisors (93570718275849).

210534116120631 is a wasteful number, since it uses less digits than its factorization.

210534116120631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23392679568965 (or 23392679568962 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 210534116120631 its reverse (136021611435012), we get a palindrome (346555727555643).

The spelling of 210534116120631 in words is "two hundred ten trillion, five hundred thirty-four billion, one hundred sixteen million, one hundred twenty thousand, six hundred thirty-one".