31441434222 has 32 divisors (see below), whose sum is σ = 68661509760. Its totient is φ = 9519093920.

The previous prime is 31441434221. The next prime is 31441434257. The reversal of 31441434222 is 22243414413.

It is a self number, because there is not a number n which added to its sum of digits gives 31441434222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441434221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141588 + ... + 287975.

It is an arithmetic number, because the mean of its divisors is an integer number (2145672180).

Almost surely, 2^31441434222 is an apocalyptic number.

31441434222 is an abundant number, since it is smaller than the sum of its proper divisors (37220075538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31441434222 is a wasteful number, since it uses less digits than its factorization.

31441434222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430688.

The product of its digits is 18432, while the sum is 30.

Adding to 31441434222 its reverse (22243414413), we get a palindrome (53684848635).

The spelling of 31441434222 in words is "thirty-one billion, four hundred forty-one million, four hundred thirty-four thousand, two hundred twenty-two".