30012112031 has 8 divisors (see below), whose sum is σ = 33625364304. Its totient is φ = 26546339520.

The previous prime is 30012112027. The next prime is 30012112073. The reversal of 30012112031 is 13021121003.

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 30012112031 - 2² = 30012112027 is a prime.

It is a super-2 number, since 2×30012112031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012111997 and 30012112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012112231) 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, 36869510 + ... + 36870323.

It is an arithmetic number, because the mean of its divisors is an integer number (4203170538).

Almost surely, 2^30012112031 is an apocalyptic number.

30012112031 is a deficient number, since it is larger than the sum of its proper divisors (3613252273).

30012112031 is a wasteful number, since it uses less digits than its factorization.

30012112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73739881.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30012112031 its reverse (13021121003), we get a palindrome (43033233034).

The spelling of 30012112031 in words is "thirty billion, twelve million, one hundred twelve thousand, thirty-one".