102500050531 has 2 divisors, whose sum is σ = 102500050532. Its totient is φ = 102500050530.

The previous prime is 102500050507. The next prime is 102500050579. The reversal of 102500050531 is 135050005201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102500050531 - 2⁷ = 102500050403 is a prime.

It is a super-2 number, since 2×102500050531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102500050591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51250025265 + 51250025266.

It is an arithmetic number, because the mean of its divisors is an integer number (51250025266).

Almost surely, 2^102500050531 is an apocalyptic number.

102500050531 is a deficient number, since it is larger than the sum of its proper divisors (1).

102500050531 is an equidigital number, since it uses as much as digits as its factorization.

102500050531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 102500050531 its reverse (135050005201), we get a palindrome (237550055732).

The spelling of 102500050531 in words is "one hundred two billion, five hundred million, fifty thousand, five hundred thirty-one".