31020125044 has 6 divisors (see below), whose sum is σ = 54285218834. Its totient is φ = 15510062520.

The previous prime is 31020125023. The next prime is 31020125057. The reversal of 31020125044 is 44052102013.

It can be written as a sum of positive squares in only one way, i.e., 21806428900 + 9213696144 = 147670^2 + 95988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877515627 + ... + 3877515634.

Almost surely, 2^31020125044 is an apocalyptic number.

It is an amenable number.

31020125044 is a deficient number, since it is larger than the sum of its proper divisors (23265093790).

31020125044 is a wasteful number, since it uses less digits than its factorization.

31020125044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755031265 (or 7755031263 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 31020125044 its reverse (44052102013), we get a palindrome (75072227057).

The spelling of 31020125044 in words is "thirty-one billion, twenty million, one hundred twenty-five thousand, forty-four".