13031220030 has 16 divisors (see below), whose sum is σ = 31274928144. Its totient is φ = 3474992000.

The previous prime is 13031220023. The next prime is 13031220031. The reversal of 13031220030 is 3002213031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 13031219991 and 13031220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031220031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217186971 + ... + 217187030.

It is an arithmetic number, because the mean of its divisors is an integer number (1954683009).

Almost surely, 2^13031220030 is an apocalyptic number.

13031220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031220030 is an abundant number, since it is smaller than the sum of its proper divisors (18243708114).

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

13031220030 is a wasteful number, since it uses less digits than its factorization.

13031220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434374011.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13031220030 its reverse (3002213031), we get a palindrome (16033433061).

The spelling of 13031220030 in words is "thirteen billion, thirty-one million, two hundred twenty thousand, thirty".