30654676981 has 8 divisors (see below), whose sum is σ = 32627833344. Its totient is φ = 28700402880.

The previous prime is 30654676933. The next prime is 30654676993. The reversal of 30654676981 is 18967645603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30654676981 - 2⁹ = 30654676469 is a prime.

It is a super-2 number, since 2×30654676981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30654671981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717215 + ... + 4723708.

It is an arithmetic number, because the mean of its divisors is an integer number (4078479168).

Almost surely, 2^30654676981 is an apocalyptic number.

It is an amenable number.

30654676981 is a deficient number, since it is larger than the sum of its proper divisors (1973156363).

30654676981 is a wasteful number, since it uses less digits than its factorization.

30654676981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441131.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 30654676981 in words is "thirty billion, six hundred fifty-four million, six hundred seventy-six thousand, nine hundred eighty-one".