31364240887664 has 10 divisors (see below), whose sum is σ = 60768216719880. Its totient is φ = 15682120443824.

The previous prime is 31364240887589. The next prime is 31364240887667. The reversal of 31364240887664 is 46678804246313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31364240887597 and 31364240887606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31364240887667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980132527724 + ... + 980132527755.

It is an arithmetic number, because the mean of its divisors is an integer number (6076821671988).

Almost surely, 2^{31364240887664} is an apocalyptic number.

It is an amenable number.

31364240887664 is a deficient number, since it is larger than the sum of its proper divisors (29403975832216).

31364240887664 is a wasteful number, since it uses less digits than its factorization.

31364240887664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960265055487 (or 1960265055481 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 62.

The spelling of 31364240887664 in words is "thirty-one trillion, three hundred sixty-four billion, two hundred forty million, eight hundred eighty-seven thousand, six hundred sixty-four".