30231100981 has 8 divisors (see below), whose sum is σ = 30311709120. Its totient is φ = 30150533952.

The previous prime is 30231100927. The next prime is 30231101053. The reversal of 30231100981 is 18900113203.

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 30231100981 - 2¹⁹ = 30230576693 is a prime.

It is a super-2 number, since 2×30231100981² (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 (30231100681) 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, 1946061 + ... + 1961533.

It is an arithmetic number, because the mean of its divisors is an integer number (3788963640).

Almost surely, 2^30231100981 is an apocalyptic number.

It is an amenable number.

30231100981 is a deficient number, since it is larger than the sum of its proper divisors (80608139).

30231100981 is a wasteful number, since it uses less digits than its factorization.

30231100981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 30231100981 in words is "thirty billion, two hundred thirty-one million, one hundred thousand, nine hundred eighty-one".