51023403100 has 18 divisors (see below), whose sum is σ = 110720784944. Its totient is φ = 20409361200.

The previous prime is 51023403061. The next prime is 51023403121. The reversal of 51023403100 is 130432015.

It is a super-2 number, since 2×51023403100² (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 255116916 + ... + 255117115.

Almost surely, 2^51023403100 is an apocalyptic number.

51023403100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51023403100 is an abundant number, since it is smaller than the sum of its proper divisors (59697381844).

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

51023403100 is a wasteful number, since it uses less digits than its factorization.

51023403100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510234045 (or 510234038 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 51023403100 its reverse (130432015), we get a palindrome (51153835115).

The spelling of 51023403100 in words is "fifty-one billion, twenty-three million, four hundred three thousand, one hundred".