13031212020030 has 48 divisors (see below), whose sum is σ = 33883808877360. Its totient is φ = 3474717295104.

The previous prime is 13031212019999. The next prime is 13031212020031. The reversal of 13031212020030 is 3002021213031.

13031212020030 is a `hidden beast` number, since 1 + 3 + 0 + 312 + 120 + 200 + 30 = 666.

13031212020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13031212019985 and 13031212020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031212020031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4523635 + ... + 6820974.

It is an arithmetic number, because the mean of its divisors is an integer number (705912684945).

Almost surely, 2^{13031212020030} is an apocalyptic number.

13031212020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031212020030 is an abundant number, since it is smaller than the sum of its proper divisors (20852596857330).

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

13031212020030 is a wasteful number, since it uses less digits than its factorization.

13031212020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357385 (or 11357382 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13031212020030 its reverse (3002021213031), we get a palindrome (16033233233061).

The spelling of 13031212020030 in words is "thirteen trillion, thirty-one billion, two hundred twelve million, twenty thousand, thirty".