5021123131 has 2 divisors, whose sum is σ = 5021123132. Its totient is φ = 5021123130.

The previous prime is 5021123099. The next prime is 5021123143. The reversal of 5021123131 is 1313211205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5021123131 - 2⁵ = 5021123099 is a prime.

It is a super-2 number, since 2×5021123131² = 50423354993326486322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5021123099 and 5021123108.

It is not a weakly prime, because it can be changed into another prime (5021123161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510561565 + 2510561566.

It is an arithmetic number, because the mean of its divisors is an integer number (2510561566).

Almost surely, 2^5021123131 is an apocalyptic number.

5021123131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021123131 is an equidigital number, since it uses as much as digits as its factorization.

5021123131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5021123131 is about 70859.8837918889. The cubic root of 5021123131 is about 1712.3805667040.

Adding to 5021123131 its reverse (1313211205), we get a palindrome (6334334336).

The spelling of 5021123131 in words is "five billion, twenty-one million, one hundred twenty-three thousand, one hundred thirty-one".