15331316420 has 48 divisors (see below), whose sum is σ = 36955914240. Its totient is φ = 5233486464.

The previous prime is 15331316381. The next prime is 15331316437. The reversal of 15331316420 is 2461313351.

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, 207044 + ... + 271163.

It is an arithmetic number, because the mean of its divisors is an integer number (769914880).

Almost surely, 2^15331316420 is an apocalyptic number.

15331316420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15331316420 is an abundant number, since it is smaller than the sum of its proper divisors (21624597820).

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

15331316420 is a wasteful number, since it uses less digits than its factorization.

15331316420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478452 (or 478450 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 15331316420 its reverse (2461313351), we get a palindrome (17792629771).

The spelling of 15331316420 in words is "fifteen billion, three hundred thirty-one million, three hundred sixteen thousand, four hundred twenty".