5121133131 has 4 divisors (see below), whose sum is σ = 6828177512. Its totient is φ = 3414088752.

The previous prime is 5121133097. The next prime is 5121133151. The reversal of 5121133131 is 1313311215.

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

It is not a de Polignac number, because 5121133131 - 2¹⁷ = 5121002059 is a prime.

It is a super-2 number, since 2×5121133131² = 52452009090851726322, 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 = 5121133098 and 5121133107.

It is not an unprimeable number, because it can be changed into a prime (5121133151) 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, 853522186 + ... + 853522191.

It is an arithmetic number, because the mean of its divisors is an integer number (1707044378).

Almost surely, 2^5121133131 is an apocalyptic number.

5121133131 is a deficient number, since it is larger than the sum of its proper divisors (1707044381).

5121133131 is a wasteful number, since it uses less digits than its factorization.

5121133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707044380.

The product of its digits is 270, while the sum is 21.

The square root of 5121133131 is about 71562.0928355229. The cubic root of 5121133131 is about 1723.6748914350.

Adding to 5121133131 its reverse (1313311215), we get a palindrome (6434444346).

The spelling of 5121133131 in words is "five billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-one".