5151113231 has 4 divisors (see below), whose sum is σ = 5619396264. Its totient is φ = 4682830200.

The previous prime is 5151113213. The next prime is 5151113239. The reversal of 5151113231 is 1323111515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5151113231 - 2⁶ = 5151113167 is a prime.

It is a super-2 number, since 2×5151113231² = 53067935037166518722, 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 = 5151113197 and 5151113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151113239) 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, 234141500 + ... + 234141521.

It is an arithmetic number, because the mean of its divisors is an integer number (1404849066).

Almost surely, 2^5151113231 is an apocalyptic number.

5151113231 is a deficient number, since it is larger than the sum of its proper divisors (468283033).

5151113231 is a wasteful number, since it uses less digits than its factorization.

5151113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468283032.

The product of its digits is 450, while the sum is 23.

The square root of 5151113231 is about 71771.2563008340. The cubic root of 5151113231 is about 1727.0319239947.

Adding to 5151113231 its reverse (1323111515), we get a palindrome (6474224746).

The spelling of 5151113231 in words is "five billion, one hundred fifty-one million, one hundred thirteen thousand, two hundred thirty-one".