210030503515141 has 4 divisors (see below), whose sum is σ = 210162019173292. Its totient is φ = 209898987856992.

The previous prime is 210030503515117. The next prime is 210030503515187. The reversal of 210030503515141 is 141515305030012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33753659844100 + 176276843671041 = 5809790^2 + 13276929^2 .

It is a cyclic number.

It is not a de Polignac number, because 210030503515141 - 2¹⁷ = 210030503384069 is a prime.

It is a super-2 number, since 2×210030503515141² (a number of 29 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 (210030503515541) 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, 65757826680 + ... + 65757829873.

It is an arithmetic number, because the mean of its divisors is an integer number (52540504793323).

Almost surely, 2^{210030503515141} is an apocalyptic number.

It is an amenable number.

210030503515141 is a deficient number, since it is larger than the sum of its proper divisors (131515658151).

210030503515141 is a wasteful number, since it uses less digits than its factorization.

210030503515141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131515658150.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 210030503515141 its reverse (141515305030012), we get a palindrome (351545808545153).

The spelling of 210030503515141 in words is "two hundred ten trillion, thirty billion, five hundred three million, five hundred fifteen thousand, one hundred forty-one".