31444445150425 has 12 divisors (see below), whose sum is σ = 38999456045820. Its totient is φ = 25150172856320.

The previous prime is 31444445150389. The next prime is 31444445150479. The reversal of 31444445150425 is 52405154444413.

It can be written as a sum of positive squares in 6 ways, for example, as 294171725376 + 31150273425049 = 542376^2 + 5581243^2 .

It is not a de Polignac number, because 31444445150425 - 2⁹ = 31444445149913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134462440 + ... + 134696089.

It is an arithmetic number, because the mean of its divisors is an integer number (3249954670485).

Almost surely, 2^{31444445150425} is an apocalyptic number.

It is an amenable number.

31444445150425 is a deficient number, since it is larger than the sum of its proper divisors (7555010895395).

31444445150425 is a wasteful number, since it uses less digits than its factorization.

31444445150425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269163212 (or 269163207 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 46.

Adding to 31444445150425 its reverse (52405154444413), we get a palindrome (83849599594838).

The spelling of 31444445150425 in words is "thirty-one trillion, four hundred forty-four billion, four hundred forty-five million, one hundred fifty thousand, four hundred twenty-five".