31255406320264 has 64 divisors (see below), whose sum is σ = 69560226662400. Its totient is φ = 12887964089664.

The previous prime is 31255406320223. The next prime is 31255406320277. The reversal of 31255406320264 is 46202360455213.

It is a self number, because there is not a number n which added to its sum of digits gives 31255406320264.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100481614 + ... + 100792189.

It is an arithmetic number, because the mean of its divisors is an integer number (1086878541600).

Almost surely, 2^{31255406320264} is an apocalyptic number.

It is an amenable number.

31255406320264 is an abundant number, since it is smaller than the sum of its proper divisors (38304820342136).

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

31255406320264 is a wasteful number, since it uses less digits than its factorization.

31255406320264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201273922 (or 201273918 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 31255406320264 its reverse (46202360455213), we get a palindrome (77457766775477).

The spelling of 31255406320264 in words is "thirty-one trillion, two hundred fifty-five billion, four hundred six million, three hundred twenty thousand, two hundred sixty-four".