531403005101 has 4 divisors (see below), whose sum is σ = 531437804892. Its totient is φ = 531368205312.

The previous prime is 531403005071. The next prime is 531403005139. The reversal of 531403005101 is 101500304135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53928915076 + 477474090025 = 232226^2 + 690995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531403005101 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 (531403005191) 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 in 3 ways as a sum of consecutive naturals, for example, 17376980 + ... + 17407533.

It is an arithmetic number, because the mean of its divisors is an integer number (132859451223).

Almost surely, 2^531403005101 is an apocalyptic number.

It is an amenable number.

531403005101 is a deficient number, since it is larger than the sum of its proper divisors (34799791).

531403005101 is a wasteful number, since it uses less digits than its factorization.

531403005101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34799790.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 531403005101 its reverse (101500304135), we get a palindrome (632903309236).

The spelling of 531403005101 in words is "five hundred thirty-one billion, four hundred three million, five thousand, one hundred one".