31077689587104 has 48 divisors (see below), whose sum is σ = 81595822936320. Its totient is φ = 10357085383680.

The previous prime is 31077689587097. The next prime is 31077689587121. The reversal of 31077689587104 is 40178598677013.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33041289 + ... + 33968840.

It is an arithmetic number, because the mean of its divisors is an integer number (1699912977840).

Almost surely, 2^{31077689587104} is an apocalyptic number.

It is an amenable number.

31077689587104 is an abundant number, since it is smaller than the sum of its proper divisors (50518133349216).

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

31077689587104 is a wasteful number, since it uses less digits than its factorization.

31077689587104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67014973 (or 67014965 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 66.

The spelling of 31077689587104 in words is "thirty-one trillion, seventy-seven billion, six hundred eighty-nine million, five hundred eighty-seven thousand, one hundred four".