13231000420 has 24 divisors (see below), whose sum is σ = 30311019648. Its totient is φ = 4811272800.

The previous prime is 13231000411. The next prime is 13231000421. The reversal of 13231000420 is 2400013231.

It is a happy number.

It is a super-2 number, since 2×13231000420² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13231000394 and 13231000403.

It is not an unprimeable number, because it can be changed into a prime (13231000421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30070236 + ... + 30070675.

It is an arithmetic number, because the mean of its divisors is an integer number (1262959152).

Almost surely, 2^13231000420 is an apocalyptic number.

13231000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231000420 is an abundant number, since it is smaller than the sum of its proper divisors (17080019228).

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

13231000420 is a wasteful number, since it uses less digits than its factorization.

13231000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60140931 (or 60140929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13231000420 its reverse (2400013231), we get a palindrome (15631013651).

The spelling of 13231000420 in words is "thirteen billion, two hundred thirty-one million, four hundred twenty", and thus it is an aban number.