211210131330 has 96 divisors (see below), whose sum is σ = 599156258688. Its totient is φ = 51194976000.

The previous prime is 211210131329. The next prime is 211210131331. The reversal of 211210131330 is 33131012112.

It is an interprime number because it is at equal distance from previous prime (211210131329) and next prime (211210131331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211210131331) 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, 10038982 + ... + 10059998.

It is an arithmetic number, because the mean of its divisors is an integer number (6241211028).

Almost surely, 2^211210131330 is an apocalyptic number.

211210131330 is an abundant number, since it is smaller than the sum of its proper divisors (387946127358).

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

211210131330 is a wasteful number, since it uses less digits than its factorization.

211210131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31192 (or 31189 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211210131330 its reverse (33131012112), we get a palindrome (244341143442).

The spelling of 211210131330 in words is "two hundred eleven billion, two hundred ten million, one hundred thirty-one thousand, three hundred thirty".