31244023044 has 54 divisors (see below), whose sum is σ = 85520515626. Its totient is φ = 9613543680.

The previous prime is 31244023007. The next prime is 31244023051. The reversal of 31244023044 is 44032044213.

It is a happy number.

31244023044 is a `hidden beast` number, since 312 + 4 + 40 + 2 + 304 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16892100 + 31227130944 = 4110^2 + 176712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31244022999 and 31244023017.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2561637 + ... + 2573804.

Almost surely, 2^31244023044 is an apocalyptic number.

It is an amenable number.

31244023044 is an abundant number, since it is smaller than the sum of its proper divisors (54276492582).

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

31244023044 is a wasteful number, since it uses less digits than its factorization.

31244023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135477 (or 5135459 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31244023044 its reverse (44032044213), we get a palindrome (75276067257).

The spelling of 31244023044 in words is "thirty-one billion, two hundred forty-four million, twenty-three thousand, forty-four".