502013122031 has 2 divisors, whose sum is σ = 502013122032. Its totient is φ = 502013122030.

The previous prime is 502013122027. The next prime is 502013122069. The reversal of 502013122031 is 130221310205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502013122031 - 2² = 502013122027 is a prime.

It is a super-2 number, since 2×502013122031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502013121994 and 502013122012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502013122021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251006561015 + 251006561016.

It is an arithmetic number, because the mean of its divisors is an integer number (251006561016).

Almost surely, 2^502013122031 is an apocalyptic number.

502013122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

502013122031 is an equidigital number, since it uses as much as digits as its factorization.

502013122031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 502013122031 its reverse (130221310205), we get a palindrome (632234432236).

The spelling of 502013122031 in words is "five hundred two billion, thirteen million, one hundred twenty-two thousand, thirty-one".