211131144041230 has 32 divisors (see below), whose sum is σ = 444427551051264. Its totient is φ = 70704383119776.

The previous prime is 211131144041197. The next prime is 211131144041239. The reversal of 211131144041230 is 32140441131112.

It is a super-2 number, since 2×211131144041230² (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 (211131144041239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35071615602 + ... + 35071621621.

It is an arithmetic number, because the mean of its divisors is an integer number (13888360970352).

Almost surely, 2^{211131144041230} is an apocalyptic number.

211131144041230 is an abundant number, since it is smaller than the sum of its proper divisors (233296407010034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211131144041230 is a wasteful number, since it uses less digits than its factorization.

211131144041230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70143237280.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 211131144041230 its reverse (32140441131112), we get a palindrome (243271585172342).

The spelling of 211131144041230 in words is "two hundred eleven trillion, one hundred thirty-one billion, one hundred forty-four million, forty-one thousand, two hundred thirty".