211130031082 has 4 divisors (see below), whose sum is σ = 316695046626. Its totient is φ = 105565015540.

The previous prime is 211130030999. The next prime is 211130031083. The reversal of 211130031082 is 280130031112.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 139674860361 + 71455170721 = 373731^2 + 267311^2 .

It is not an unprimeable number, because it can be changed into a prime (211130031083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52782507769 + ... + 52782507772.

Almost surely, 2^211130031082 is an apocalyptic number.

211130031082 is a deficient number, since it is larger than the sum of its proper divisors (105565015544).

211130031082 is a wasteful number, since it uses less digits than its factorization.

211130031082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105565015543.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 211130031082 its reverse (280130031112), we get a palindrome (491260062194).

The spelling of 211130031082 in words is "two hundred eleven billion, one hundred thirty million, thirty-one thousand, eighty-two".