30012203031 has 8 divisors (see below), whose sum is σ = 40017083760. Its totient is φ = 20007728832.

The previous prime is 30012203029. The next prime is 30012203047. The reversal of 30012203031 is 13030221003.

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

It is not a de Polignac number, because 30012203031 - 2¹ = 30012203029 is a prime.

It is a super-2 number, since 2×30012203031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30012203031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012203231) 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, 191001 + ... + 310653.

It is an arithmetic number, because the mean of its divisors is an integer number (5002135470).

Almost surely, 2^30012203031 is an apocalyptic number.

30012203031 is a deficient number, since it is larger than the sum of its proper divisors (10004880729).

30012203031 is a wasteful number, since it uses less digits than its factorization.

30012203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203265.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30012203031 its reverse (13030221003), we get a palindrome (43042424034).

The spelling of 30012203031 in words is "thirty billion, twelve million, two hundred three thousand, thirty-one".