211321002312031 has 8 divisors (see below), whose sum is σ = 211939025180400. Its totient is φ = 210703050979008.

The previous prime is 211321002312023. The next prime is 211321002312041. The reversal of 211321002312031 is 130213200123112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211321002312031 - 2³ = 211321002312023 is a prime.

It is a super-2 number, since 2×211321002312031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211321002311993 and 211321002312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321002312041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11964181 + ... + 23786206.

It is an arithmetic number, because the mean of its divisors is an integer number (26492378147550).

Almost surely, 2^{211321002312031} is an apocalyptic number.

211321002312031 is a deficient number, since it is larger than the sum of its proper divisors (618022868369).

211321002312031 is a wasteful number, since it uses less digits than its factorization.

211321002312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35767673.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211321002312031 its reverse (130213200123112), we get a palindrome (341534202435143).

The spelling of 211321002312031 in words is "two hundred eleven trillion, three hundred twenty-one billion, two million, three hundred twelve thousand, thirty-one".