5142305231 has 16 divisors (see below), whose sum is σ = 6340037184. Its totient is φ = 4070137344.

The previous prime is 5142305183. The next prime is 5142305243. The reversal of 5142305231 is 1325032415.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5142305231 is a prime.

It is a super-2 number, since 2×5142305231² = 52886606177539926722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5142305231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142305281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401360 + ... + 413973.

It is an arithmetic number, because the mean of its divisors is an integer number (396252324).

Almost surely, 2^5142305231 is an apocalyptic number.

5142305231 is a deficient number, since it is larger than the sum of its proper divisors (1197731953).

5142305231 is a wasteful number, since it uses less digits than its factorization.

5142305231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815410.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5142305231 is about 71709.8684352440. The cubic root of 5142305231 is about 1726.0469993114.

Adding to 5142305231 its reverse (1325032415), we get a palindrome (6467337646).

The spelling of 5142305231 in words is "five billion, one hundred forty-two million, three hundred five thousand, two hundred thirty-one".