31274051444 has 6 divisors (see below), whose sum is σ = 54729590034. Its totient is φ = 15637025720.

The previous prime is 31274051437. The next prime is 31274051447. The reversal of 31274051444 is 44415047213.

It can be written as a sum of positive squares in only one way, i.e., 23062067044 + 8211984400 = 151862^2 + 90620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31274051447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3909256427 + ... + 3909256434.

It is an arithmetic number, because the mean of its divisors is an integer number (9121598339).

Almost surely, 2^31274051444 is an apocalyptic number.

It is an amenable number.

31274051444 is a deficient number, since it is larger than the sum of its proper divisors (23455538590).

31274051444 is a wasteful number, since it uses less digits than its factorization.

31274051444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818512865 (or 7818512863 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 31274051444 its reverse (44415047213), we get a palindrome (75689098657).

The spelling of 31274051444 in words is "thirty-one billion, two hundred seventy-four million, fifty-one thousand, four hundred forty-four".