30131120146 has 16 divisors (see below), whose sum is σ = 47168391744. Its totient is φ = 14408507344.

The previous prime is 30131120143. The next prime is 30131120177. The reversal of 30131120146 is 64102113103.

30131120146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×30131120146² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30131120143) 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, 314601 + ... + 399043.

It is an arithmetic number, because the mean of its divisors is an integer number (2948024484).

Almost surely, 2^30131120146 is an apocalyptic number.

30131120146 is a deficient number, since it is larger than the sum of its proper divisors (17037271598).

30131120146 is a wasteful number, since it uses less digits than its factorization.

30131120146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92225.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30131120146 its reverse (64102113103), we get a palindrome (94233233249).

The spelling of 30131120146 in words is "thirty billion, one hundred thirty-one million, one hundred twenty thousand, one hundred forty-six".