31342478451774 has 64 divisors (see below), whose sum is σ = 72993391501824. Its totient is φ = 8785821822336.

The previous prime is 31342478451773. The next prime is 31342478451853. The reversal of 31342478451774 is 47715487424313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342478451773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108937012 + ... + 109224344.

It is an arithmetic number, because the mean of its divisors is an integer number (1140521742216).

Almost surely, 2^{31342478451774} is an apocalyptic number.

31342478451774 is an abundant number, since it is smaller than the sum of its proper divisors (41650913050050).

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

31342478451774 is a wasteful number, since it uses less digits than its factorization.

31342478451774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336401.

The product of its digits is 63221760, while the sum is 60.

The spelling of 31342478451774 in words is "thirty-one trillion, three hundred forty-two billion, four hundred seventy-eight million, four hundred fifty-one thousand, seven hundred seventy-four".