210034131 has 4 divisors (see below), whose sum is σ = 280045512. Its totient is φ = 140022752.

The previous prime is 210034127. The next prime is 210034141. The reversal of 210034131 is 131430012.

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 210034131 - 2² = 210034127 is a prime.

It is a super-2 number, since 2×210034131² = 88228672369850322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210034131.

It is not an unprimeable number, because it can be changed into a prime (210034141) 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, 35005686 + ... + 35005691.

It is an arithmetic number, because the mean of its divisors is an integer number (70011378).

Almost surely, 2^210034131 is an apocalyptic number.

210034131 is a deficient number, since it is larger than the sum of its proper divisors (70011381).

210034131 is an equidigital number, since it uses as much as digits as its factorization.

210034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70011380.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 210034131 is about 14492.5543297239. The cubic root of 210034131 is about 594.4243954367.

Adding to 210034131 its reverse (131430012), we get a palindrome (341464143).

The spelling of 210034131 in words is "two hundred ten million, thirty-four thousand, one hundred thirty-one".