30031029973 has 8 divisors (see below), whose sum is σ = 34326486080. Its totient is φ = 25736901120.

The previous prime is 30031029923. The next prime is 30031029979. The reversal of 30031029973 is 37992013003.

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

It is not a de Polignac number, because 30031029973 - 2⁹ = 30031029461 is a prime.

It is a super-2 number, since 2×30031029973² (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 (30031029979) 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, 282843 + ... + 374248.

It is an arithmetic number, because the mean of its divisors is an integer number (4290810760).

Almost surely, 2^30031029973 is an apocalyptic number.

It is an amenable number.

30031029973 is a deficient number, since it is larger than the sum of its proper divisors (4295456107).

30031029973 is an equidigital number, since it uses as much as digits as its factorization.

30031029973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663627.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 30031029973 in words is "thirty billion, thirty-one million, twenty-nine thousand, nine hundred seventy-three".