211102310322031 has 4 divisors (see below), whose sum is σ = 211146743564064. Its totient is φ = 211057877080000.

The previous prime is 211102310321993. The next prime is 211102310322061. The reversal of 211102310322031 is 130223013201112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211102310322031 is a prime.

It is a super-2 number, since 2×211102310322031² (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 = 211102310321993 and 211102310322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102310322061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22216613890 + ... + 22216623391.

It is an arithmetic number, because the mean of its divisors is an integer number (52786685891016).

Almost surely, 2^{211102310322031} is an apocalyptic number.

211102310322031 is a deficient number, since it is larger than the sum of its proper divisors (44433242033).

211102310322031 is an equidigital number, since it uses as much as digits as its factorization.

211102310322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44433242032.

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

Adding to 211102310322031 its reverse (130223013201112), we get a palindrome (341325323523143).

The spelling of 211102310322031 in words is "two hundred eleven trillion, one hundred two billion, three hundred ten million, three hundred twenty-two thousand, thirty-one".