31120404244 has 12 divisors (see below), whose sum is σ = 54462423904. Its totient is φ = 15559711704.

The previous prime is 31120404239. The next prime is 31120404251. The reversal of 31120404244 is 44240402113.

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, 45907 + ... + 253669.

Almost surely, 2^31120404244 is an apocalyptic number.

It is an amenable number.

31120404244 is a deficient number, since it is larger than the sum of its proper divisors (23342019660).

31120404244 is a wasteful number, since it uses less digits than its factorization.

31120404244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245214 (or 245212 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31120404244 its reverse (44240402113), we get a palindrome (75360806357).

The spelling of 31120404244 in words is "thirty-one billion, one hundred twenty million, four hundred four thousand, two hundred forty-four".