13031213303220 has 48 divisors (see below), whose sum is σ = 41699882571648. Its totient is φ = 2978563040640.

The previous prime is 13031213303177. The next prime is 13031213303233. The reversal of 13031213303220 is 2230331213031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15513348751 + ... + 15513349590.

It is an arithmetic number, because the mean of its divisors is an integer number (868747553576).

Almost surely, 2^{13031213303220} is an apocalyptic number.

13031213303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031213303220 is an abundant number, since it is smaller than the sum of its proper divisors (28668669268428).

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

13031213303220 is a wasteful number, since it uses less digits than its factorization.

13031213303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31026698360 (or 31026698358 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13031213303220 its reverse (2230331213031), we get a palindrome (15261544516251).

The spelling of 13031213303220 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, three hundred three thousand, two hundred twenty".