211321231131310 has 16 divisors (see below), whose sum is σ = 380378421202752. Its totient is φ = 84528446860000.

The previous prime is 211321231131293. The next prime is 211321231131331. The reversal of 211321231131310 is 13131132123112.

It is a super-2 number, since 2×211321231131310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18771195 + ... + 27838825.

It is an arithmetic number, because the mean of its divisors is an integer number (23773651325172).

Almost surely, 2^{211321231131310} is an apocalyptic number.

211321231131310 is a deficient number, since it is larger than the sum of its proper divisors (169057190071442).

211321231131310 is a wasteful number, since it uses less digits than its factorization.

211321231131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398139.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 211321231131310 its reverse (13131132123112), we get a palindrome (224452363254422).

The spelling of 211321231131310 in words is "two hundred eleven trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred ten".