5131773131 has 2 divisors, whose sum is σ = 5131773132. Its totient is φ = 5131773130.

The previous prime is 5131773107. The next prime is 5131773151. The reversal of 5131773131 is 1313771315.

5131773131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5131773131 - 2¹⁸ = 5131510987 is a prime.

It is a super-2 number, since 2×5131773131² = 52670190936107086322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5131773151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565886565 + 2565886566.

It is an arithmetic number, because the mean of its divisors is an integer number (2565886566).

Almost surely, 2^5131773131 is an apocalyptic number.

5131773131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131773131 is an equidigital number, since it uses as much as digits as its factorization.

5131773131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6615, while the sum is 32.

The square root of 5131773131 is about 71636.3952959667. The cubic root of 5131773131 is about 1724.8678054265.

The spelling of 5131773131 in words is "five billion, one hundred thirty-one million, seven hundred seventy-three thousand, one hundred thirty-one".