30213000031123 has 8 divisors (see below), whose sum is σ = 37185230807648. Its totient is φ = 23904791233344.

The previous prime is 30213000031111. The next prime is 30213000031139. The reversal of 30213000031123 is 32113000031203.

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

It is a de Polignac number, because none of the positive numbers 2^k-30213000031123 is a prime.

It is a super-2 number, since 2×30213000031123² (a number of 28 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 30213000031123.

It is not an unprimeable number, because it can be changed into a prime (30213000031183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166005494586 + ... + 166005494767.

It is an arithmetic number, because the mean of its divisors is an integer number (4648153850956).

Almost surely, 2^{30213000031123} is an apocalyptic number.

30213000031123 is a deficient number, since it is larger than the sum of its proper divisors (6972230776525).

30213000031123 is a wasteful number, since it uses less digits than its factorization.

30213000031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332010989373.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30213000031123 its reverse (32113000031203), we get a palindrome (62326000062326).

The spelling of 30213000031123 in words is "thirty trillion, two hundred thirteen billion, thirty-one thousand, one hundred twenty-three".