30311121230000 has 200 divisors, whose sum is σ = 83190903826800. Its totient is φ = 10602755712000.

The previous prime is 30311121229997. The next prime is 30311121230029. The reversal of 30311121230000 is 3212111303.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3665855 + ... + 8605854.

It is an arithmetic number, because the mean of its divisors is an integer number (415954519134).

Almost surely, 2^{30311121230000} is an apocalyptic number.

It is an amenable number.

30311121230000 is an abundant number, since it is smaller than the sum of its proper divisors (52879782596800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311121230000 is a wasteful number, since it uses less digits than its factorization.

30311121230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271769 (or 12271748 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30311121230000 its reverse (3212111303), we get a palindrome (30314333341303).

The spelling of 30311121230000 in words is "thirty trillion, three hundred eleven billion, one hundred twenty-one million, two hundred thirty thousand".