30311230120102 has 8 divisors (see below), whose sum is σ = 47859837031800. Its totient is φ = 14357951109504.

The previous prime is 30311230120091. The next prime is 30311230120111. The reversal of 30311230120102 is 20102103211303.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30311230120102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398831975227 + ... + 398831975302.

It is an arithmetic number, because the mean of its divisors is an integer number (5982479628975).

Almost surely, 2^{30311230120102} is an apocalyptic number.

30311230120102 is a deficient number, since it is larger than the sum of its proper divisors (17548606911698).

30311230120102 is a wasteful number, since it uses less digits than its factorization.

30311230120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797663950550.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30311230120102 its reverse (20102103211303), we get a palindrome (50413333331405).

The spelling of 30311230120102 in words is "thirty trillion, three hundred eleven billion, two hundred thirty million, one hundred twenty thousand, one hundred two".