211023131010 has 64 divisors (see below), whose sum is σ = 524013425280. Its totient is φ = 54322652160.

The previous prime is 211023130987. The next prime is 211023131071. The reversal of 211023131010 is 10131320112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5698314 + ... + 5735226.

It is an arithmetic number, because the mean of its divisors is an integer number (8187709770).

Almost surely, 2^211023131010 is an apocalyptic number.

211023131010 is an abundant number, since it is smaller than the sum of its proper divisors (312990294270).

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

211023131010 is a wasteful number, since it uses less digits than its factorization.

211023131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43523.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211023131010 its reverse (10131320112), we get a palindrome (221154451122).

The spelling of 211023131010 in words is "two hundred eleven billion, twenty-three million, one hundred thirty-one thousand, ten".