531400234103 has 4 divisors (see below), whose sum is σ = 531424276488. Its totient is φ = 531376191720.

The previous prime is 531400234051. The next prime is 531400234109. The reversal of 531400234103 is 301432004135.

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

It is a cyclic number.

It is not a de Polignac number, because 531400234103 - 2¹² = 531400230007 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 (531400234109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988008 + ... + 12032253.

It is an arithmetic number, because the mean of its divisors is an integer number (132856069122).

Almost surely, 2^531400234103 is an apocalyptic number.

531400234103 is a deficient number, since it is larger than the sum of its proper divisors (24042385).

531400234103 is a wasteful number, since it uses less digits than its factorization.

531400234103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24042384.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 531400234103 its reverse (301432004135), we get a palindrome (832832238238).

The spelling of 531400234103 in words is "five hundred thirty-one billion, four hundred million, two hundred thirty-four thousand, one hundred three".