31603654630516 has 12 divisors (see below), whose sum is σ = 56483127425088. Its totient is φ = 15465618223352.

The previous prime is 31603654630501. The next prime is 31603654630517. The reversal of 31603654630516 is 61503645630613.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31603654630516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31603654630517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84052272766 + ... + 84052273141.

It is an arithmetic number, because the mean of its divisors is an integer number (4706927285424).

Almost surely, 2^{31603654630516} is an apocalyptic number.

It is an amenable number.

31603654630516 is a deficient number, since it is larger than the sum of its proper divisors (24879472794572).

31603654630516 is a wasteful number, since it uses less digits than its factorization.

31603654630516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168104545958 (or 168104545956 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 31603654630516 in words is "thirty-one trillion, six hundred three billion, six hundred fifty-four million, six hundred thirty thousand, five hundred sixteen".