51031333332 has 72 divisors (see below), whose sum is σ = 147570696000. Its totient is φ = 14565858048.

The previous prime is 51031333307. The next prime is 51031333351. The reversal of 51031333332 is 23333313015.

51031333332 is a `hidden beast` number, since 5 + 10 + 313 + 3 + 3 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51031333296 and 51031333305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153919 + ... + 354617.

It is an arithmetic number, because the mean of its divisors is an integer number (2049593000).

Almost surely, 2^51031333332 is an apocalyptic number.

It is an amenable number.

51031333332 is an abundant number, since it is smaller than the sum of its proper divisors (96539362668).

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

51031333332 is a wasteful number, since it uses less digits than its factorization.

51031333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201725 (or 201720 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 27.

Adding to 51031333332 its reverse (23333313015), we get a palindrome (74364646347).

The spelling of 51031333332 in words is "fifty-one billion, thirty-one million, three hundred thirty-three thousand, three hundred thirty-two".