5213550231 has 32 divisors (see below), whose sum is σ = 8277457920. Its totient is φ = 3234714912.

The previous prime is 5213550193. The next prime is 5213550289. The reversal of 5213550231 is 1320553125.

It is a happy number.

It is not a de Polignac number, because 5213550231 - 2⁷ = 5213550103 is a prime.

It is a super-2 number, since 2×5213550231² = 54362212022320306722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5213550195 and 5213550204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213550731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90475 + ... + 136428.

It is an arithmetic number, because the mean of its divisors is an integer number (258670560).

Almost surely, 2^5213550231 is an apocalyptic number.

5213550231 is a deficient number, since it is larger than the sum of its proper divisors (3063907689).

5213550231 is a wasteful number, since it uses less digits than its factorization.

5213550231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226972 (or 226966 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5213550231 is about 72204.9183297094. The cubic root of 5213550231 is about 1733.9817439201.

The spelling of 5213550231 in words is "five billion, two hundred thirteen million, five hundred fifty thousand, two hundred thirty-one".