220000211031 has 8 divisors (see below), whose sum is σ = 302795989504. Its totient is φ = 141935619960.

The previous prime is 220000211029. The next prime is 220000211051. The reversal of 220000211031 is 130112000022.

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

It is not a de Polignac number, because 220000211031 - 2¹ = 220000211029 is a prime.

It is a super-2 number, since 2×220000211031² (a number of 23 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 = 220000210998 and 220000211016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000211021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1182796741 + ... + 1182796926.

It is an arithmetic number, because the mean of its divisors is an integer number (37849498688).

Almost surely, 2^220000211031 is an apocalyptic number.

220000211031 is a deficient number, since it is larger than the sum of its proper divisors (82795778473).

220000211031 is a wasteful number, since it uses less digits than its factorization.

220000211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365593701.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 220000211031 its reverse (130112000022), we get a palindrome (350112211053).

The spelling of 220000211031 in words is "two hundred twenty billion, two hundred eleven thousand, thirty-one".