211034131 has 48 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 151609920.

The previous prime is 211034123. The next prime is 211034171. The reversal of 211034131 is 131430112.

It is not a de Polignac number, because 211034131 - 2³ = 211034123 is a prime.

It is a super-2 number, since 2×211034131² = 89070808893850322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211034111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359220 + ... + 359806.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2^211034131 is an apocalyptic number.

211034131 is a deficient number, since it is larger than the sum of its proper divisors (78544109).

211034131 is a wasteful number, since it uses less digits than its factorization.

211034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211034131 is about 14527.0138362982. The cubic root of 211034131 is about 595.3662796637.

Adding to 211034131 its reverse (131430112), we get a palindrome (342464243).

The spelling of 211034131 in words is "two hundred eleven million, thirty-four thousand, one hundred thirty-one".