5351012231 has 4 divisors (see below), whose sum is σ = 5351255832. Its totient is φ = 5350768632.

The previous prime is 5351012203. The next prime is 5351012267. The reversal of 5351012231 is 1322101535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322101535 = 5 ⋅264420307.

It is a cyclic number.

It is not a de Polignac number, because 5351012231 - 2¹⁸ = 5350750087 is a prime.

It is a super-2 number, since 2×5351012231² = 57266663792623194722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5351012197 and 5351012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351011231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85181 + ... + 134006.

It is an arithmetic number, because the mean of its divisors is an integer number (1337813958).

Almost surely, 2^5351012231 is an apocalyptic number.

5351012231 is a deficient number, since it is larger than the sum of its proper divisors (243601).

5351012231 is a wasteful number, since it uses less digits than its factorization.

5351012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243600.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5351012231 is about 73150.6133330405. The cubic root of 5351012231 is about 1749.0892927859.

Adding to 5351012231 its reverse (1322101535), we get a palindrome (6673113766).

The spelling of 5351012231 in words is "five billion, three hundred fifty-one million, twelve thousand, two hundred thirty-one".