52000031 has 2 divisors, whose sum is σ = 52000032. Its totient is φ = 52000030.

The previous prime is 52000027. The next prime is 52000043. The reversal of 52000031 is 13000025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52000031 - 2² = 52000027 is a prime.

It is a super-2 number, since 2×52000031² = 5408006448001922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51999976 and 52000021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26000015 + 26000016.

It is an arithmetic number, because the mean of its divisors is an integer number (26000016).

Almost surely, 2^52000031 is an apocalyptic number.

52000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

52000031 is an equidigital number, since it uses as much as digits as its factorization.

52000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 52000031 is about 7211.1047003909. The cubic root of 52000031 is about 373.2511898534.

Adding to 52000031 its reverse (13000025), we get a palindrome (65000056).

The spelling of 52000031 in words is "fifty-two million, thirty-one", and thus it is an aban number and an uban number.