31043220211444 has 36 divisors (see below), whose sum is σ = 64539704045376. Its totient is φ = 13021168352304.

The previous prime is 31043220211433. The next prime is 31043220211453. The reversal of 31043220211444 is 44411202234013.

It is a happy number.

It is a super-3 number, since 3×31043220211444³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684924582 + ... + 1684943005.

It is an arithmetic number, because the mean of its divisors is an integer number (1792769556816).

Almost surely, 2^{31043220211444} is an apocalyptic number.

It is an amenable number.

31043220211444 is an abundant number, since it is smaller than the sum of its proper divisors (33496483833932).

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

31043220211444 is a wasteful number, since it uses less digits than its factorization.

31043220211444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369867652 (or 3369867643 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31043220211444 its reverse (44411202234013), we get a palindrome (75454422445457).

The spelling of 31043220211444 in words is "thirty-one trillion, forty-three billion, two hundred twenty million, two hundred eleven thousand, four hundred forty-four".