40220031211 has 4 divisors (see below), whose sum is σ = 41201007624. Its totient is φ = 39239054800.

The previous prime is 40220031199. The next prime is 40220031217. The reversal of 40220031211 is 11213002204.

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

It is a cyclic number.

It is not a de Polignac number, because 40220031211 - 2¹¹ = 40220029163 is a prime.

It is a super-2 number, since 2×40220031211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220031217) 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, 490488145 + ... + 490488226.

It is an arithmetic number, because the mean of its divisors is an integer number (10300251906).

Almost surely, 2^40220031211 is an apocalyptic number.

40220031211 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40220031211 is a deficient number, since it is larger than the sum of its proper divisors (980976413).

40220031211 is an equidigital number, since it uses as much as digits as its factorization.

40220031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980976412.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 40220031211 its reverse (11213002204), we get a palindrome (51433033415).

The spelling of 40220031211 in words is "forty billion, two hundred twenty million, thirty-one thousand, two hundred eleven".