30312032130123 has 32 divisors (see below), whose sum is σ = 41361911629056. Its totient is φ = 19741044331008.

The previous prime is 30312032130059. The next prime is 30312032130167. The reversal of 30312032130123 is 32103123021303.

It is not a de Polignac number, because 30312032130123 - 2⁶ = 30312032130059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312032130093 and 30312032130102.

It is not an unprimeable number, because it can be changed into a prime (30312032130173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12151036 + ... + 14431622.

It is an arithmetic number, because the mean of its divisors is an integer number (1292559738408).

Almost surely, 2^{30312032130123} is an apocalyptic number.

30312032130123 is a deficient number, since it is larger than the sum of its proper divisors (11049879498933).

30312032130123 is a wasteful number, since it uses less digits than its factorization.

30312032130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281243.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30312032130123 its reverse (32103123021303), we get a palindrome (62415155151426).

The spelling of 30312032130123 in words is "thirty trillion, three hundred twelve billion, thirty-two million, one hundred thirty thousand, one hundred twenty-three".