61623131308 has 24 divisors (see below), whose sum is σ = 108126491648. Its totient is φ = 30729915216.

The previous prime is 61623131299. The next prime is 61623131341. The reversal of 61623131308 is 80313132616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4406335 + ... + 4420297.

Almost surely, 2^61623131308 is an apocalyptic number.

It is an amenable number.

61623131308 is a deficient number, since it is larger than the sum of its proper divisors (46503360340).

61623131308 is a wasteful number, since it uses less digits than its factorization.

61623131308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813 (or 16811 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 61623131308 in words is "sixty-one billion, six hundred twenty-three million, one hundred thirty-one thousand, three hundred eight".