31124304244 has 48 divisors (see below), whose sum is σ = 64236957120. Its totient is φ = 13040559360.

The previous prime is 31124304227. The next prime is 31124304251. The reversal of 31124304244 is 44240342113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472177 + ... + 534040.

It is an arithmetic number, because the mean of its divisors is an integer number (1338269940).

Almost surely, 2^31124304244 is an apocalyptic number.

It is an amenable number.

31124304244 is an abundant number, since it is smaller than the sum of its proper divisors (33112652876).

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

31124304244 is a wasteful number, since it uses less digits than its factorization.

31124304244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006288 (or 1006286 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31124304244 its reverse (44240342113), we get a palindrome (75364646357).

The spelling of 31124304244 in words is "thirty-one billion, one hundred twenty-four million, three hundred four thousand, two hundred forty-four".