31445234324450 has 24 divisors (see below), whose sum is σ = 58488294300132. Its totient is φ = 12578059653120.

The previous prime is 31445234324429. The next prime is 31445234324503. The reversal of 31445234324450 is 5442343254413.

It can be written as a sum of positive squares in 6 ways, for example, as 1787614458289 + 29657619866161 = 1337017^2 + 5445881^2 .

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, 26453282 + ... + 27616418.

Almost surely, 2^{31445234324450} is an apocalyptic number.

31445234324450 is a deficient number, since it is larger than the sum of its proper divisors (27043059975682).

31445234324450 is a wasteful number, since it uses less digits than its factorization.

31445234324450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703846 (or 1703841 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 31445234324450 its reverse (5442343254413), we get a palindrome (36887577578863).

The spelling of 31445234324450 in words is "thirty-one trillion, four hundred forty-five billion, two hundred thirty-four million, three hundred twenty-four thousand, four hundred fifty".