31443235204244 has 12 divisors (see below), whose sum is σ = 55092037562100. Its totient is φ = 15702653043648.

The previous prime is 31443235204237. The next prime is 31443235204253. The reversal of 31443235204244 is 44240253234413.

It can be written as a sum of positive squares in 2 ways, for example, as 24534685562500 + 6908549641744 = 4953250^2 + 2628412^2 .

It is a super-2 number, since 2×31443235204244² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4741135889 + ... + 4741142520.

It is an arithmetic number, because the mean of its divisors is an integer number (4591003130175).

Almost surely, 2^{31443235204244} is an apocalyptic number.

It is an amenable number.

31443235204244 is a deficient number, since it is larger than the sum of its proper divisors (23648802357856).

31443235204244 is a wasteful number, since it uses less digits than its factorization.

31443235204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482279242 (or 9482279240 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 31443235204244 its reverse (44240253234413), we get a palindrome (75683488438657).

The spelling of 31443235204244 in words is "thirty-one trillion, four hundred forty-three billion, two hundred thirty-five million, two hundred four thousand, two hundred forty-four".