551231030 has 32 divisors (see below), whose sum is σ = 1149505344. Its totient is φ = 186402816.

The previous prime is 551230997. The next prime is 551231047. The reversal of 551231030 is 30132155.

551231030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 551230993 and 551231011.

It is a congruent number.

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, 48827 + ... + 59046.

It is an arithmetic number, because the mean of its divisors is an integer number (35922042).

Almost surely, 2^551231030 is an apocalyptic number.

551231030 is an abundant number, since it is smaller than the sum of its proper divisors (598274314).

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

551231030 is a wasteful number, since it uses less digits than its factorization.

551231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107960.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 551231030 is about 23478.3097773243. The cubic root of 551231030 is about 819.9320933256.

Adding to 551231030 its reverse (30132155), we get a palindrome (581363185).

The spelling of 551231030 in words is "five hundred fifty-one million, two hundred thirty-one thousand, thirty".