51013100 has 36 divisors (see below), whose sum is σ = 116529000. Its totient is φ = 19330560.

The previous prime is 51013099. The next prime is 51013129. The reversal of 51013100 is 131015.

51013100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51013100² = 5204672743220000, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11525 + ... + 15324.

Almost surely, 2^51013100 is an apocalyptic number.

51013100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51013100 is an abundant number, since it is smaller than the sum of its proper divisors (65515900).

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

51013100 is a wasteful number, since it uses less digits than its factorization.

51013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26882 (or 26875 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 51013100 is about 7142.3455531079. The cubic root of 51013100 is about 370.8747261234.

Adding to 51013100 its reverse (131015), we get a palindrome (51144115).

The spelling of 51013100 in words is "fifty-one million, thirteen thousand, one hundred".