31534134650 has 48 divisors (see below), whose sum is σ = 60884317440. Its totient is φ = 12138460800.

The previous prime is 31534134589. The next prime is 31534134661. The reversal of 31534134650 is 5643143513.

It is a self number, because there is not a number n which added to its sum of digits gives 31534134650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220622 + ... + 334278.

It is an arithmetic number, because the mean of its divisors is an integer number (1268423280).

Almost surely, 2^31534134650 is an apocalyptic number.

31534134650 is a deficient number, since it is larger than the sum of its proper divisors (29350182790).

31534134650 is a wasteful number, since it uses less digits than its factorization.

31534134650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113879 (or 113874 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 31534134650 in words is "thirty-one billion, five hundred thirty-four million, one hundred thirty-four thousand, six hundred fifty".