51331542303000 has 128 divisors (see below), whose sum is σ = 160271070448320. Its totient is φ = 13678440473600.

The previous prime is 51331542302981. The next prime is 51331542303023. The reversal of 51331542303000 is 30324513315.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2112069 + ... + 10350068.

Almost surely, 2^{51331542303000} is an apocalyptic number.

51331542303000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51331542303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80135535224160).

51331542303000 is an abundant number, since it is smaller than the sum of its proper divisors (108939528145320).

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

51331542303000 is a wasteful number, since it uses less digits than its factorization.

51331542303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463534 (or 12463520 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 51331542303000 its reverse (30324513315), we get a palindrome (51361866816315).

The spelling of 51331542303000 in words is "fifty-one trillion, three hundred thirty-one billion, five hundred forty-two million, three hundred three thousand".