211002030131 has 4 divisors (see below), whose sum is σ = 217808547264. Its totient is φ = 204195513000.

The previous prime is 211002030121. The next prime is 211002030143. The reversal of 211002030131 is 131030200112.

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 211002030131 - 2³⁰ = 209928288307 is a prime.

It is a super-2 number, since 2×211002030131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3403258520 + ... + 3403258581.

It is an arithmetic number, because the mean of its divisors is an integer number (54452136816).

Almost surely, 2^211002030131 is an apocalyptic number.

211002030131 is a deficient number, since it is larger than the sum of its proper divisors (6806517133).

211002030131 is an equidigital number, since it uses as much as digits as its factorization.

211002030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806517132.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 211002030131 its reverse (131030200112), we get a palindrome (342032230243).

The spelling of 211002030131 in words is "two hundred eleven billion, two million, thirty thousand, one hundred thirty-one".