531030101 has 6 divisors (see below), whose sum is σ = 617728950. Its totient is φ = 455168616.

The previous prime is 531030079. The next prime is 531030113. The reversal of 531030101 is 101030135.

It can be written as a sum of positive squares in only one way, i.e., 297735025 + 233295076 = 17255^2 + 15274^2 .

It is a de Polignac number, because none of the positive numbers 2^k-531030101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531030131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5418626 + ... + 5418723.

It is an arithmetic number, because the mean of its divisors is an integer number (102954825).

Almost surely, 2^531030101 is an apocalyptic number.

It is an amenable number.

531030101 is a deficient number, since it is larger than the sum of its proper divisors (86698849).

531030101 is a wasteful number, since it uses less digits than its factorization.

531030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837363 (or 10837356 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 531030101 is about 23044.0903704182. The cubic root of 531030101 is about 809.7911878550.

Adding to 531030101 its reverse (101030135), we get a palindrome (632060236).

The spelling of 531030101 in words is "five hundred thirty-one million, thirty thousand, one hundred one".