31203212314044 has 12 divisors (see below), whose sum is σ = 72807495399464. Its totient is φ = 10401070771344.

The previous prime is 31203212314033. The next prime is 31203212314067. The reversal of 31203212314044 is 44041321230213.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 1300133846407 + ... + 1300133846430.

Almost surely, 2^{31203212314044} is an apocalyptic number.

It is an amenable number.

31203212314044 is an abundant number, since it is smaller than the sum of its proper divisors (41604283085420).

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

31203212314044 is a wasteful number, since it uses less digits than its factorization.

31203212314044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600267692844 (or 2600267692842 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31203212314044 its reverse (44041321230213), we get a palindrome (75244533544257).

The spelling of 31203212314044 in words is "thirty-one trillion, two hundred three billion, two hundred twelve million, three hundred fourteen thousand, forty-four".