30311213311200 has 72 divisors (see below), whose sum is σ = 98662999335768. Its totient is φ = 8082990215680.

The previous prime is 30311213311187. The next prime is 30311213311241. The reversal of 30311213311200 is 211331211303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6314833707 + ... + 6314838506.

It is an arithmetic number, because the mean of its divisors is an integer number (1370319435219).

Almost surely, 2^{30311213311200} is an apocalyptic number.

30311213311200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311213311200 is an abundant number, since it is smaller than the sum of its proper divisors (68351786024568).

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

30311213311200 is a wasteful number, since it uses less digits than its factorization.

30311213311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629672236 (or 12629672223 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30311213311200 its reverse (211331211303), we get a palindrome (30522544522503).

The spelling of 30311213311200 in words is "thirty trillion, three hundred eleven billion, two hundred thirteen million, three hundred eleven thousand, two hundred".