30311020213400 has 48 divisors (see below), whose sum is σ = 70598296542600. Its totient is φ = 12102872679680.

The previous prime is 30311020213393. The next prime is 30311020213427. The reversal of 30311020213400 is 431202011303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 134483405 + ... + 134708604.

Almost surely, 2^{30311020213400} is an apocalyptic number.

It is an amenable number.

30311020213400 is an abundant number, since it is smaller than the sum of its proper divisors (40287276329200).

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

30311020213400 is a wasteful number, since it uses less digits than its factorization.

30311020213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269192588 (or 269192579 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30311020213400 its reverse (431202011303), we get a palindrome (30742222224703).

The spelling of 30311020213400 in words is "thirty trillion, three hundred eleven billion, twenty million, two hundred thirteen thousand, four hundred".