531405351103 has 8 divisors (see below), whose sum is σ = 582462395136. Its totient is φ = 480806218200.

The previous prime is 531405351077. The next prime is 531405351133. The reversal of 531405351103 is 301153504135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-531405351103 is a prime.

It is a super-3 number, since 3×531405351103³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531405351133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114475351 + ... + 114479992.

It is an arithmetic number, because the mean of its divisors is an integer number (72807799392).

Almost surely, 2^531405351103 is an apocalyptic number.

531405351103 is a deficient number, since it is larger than the sum of its proper divisors (51057044033).

531405351103 is a wasteful number, since it uses less digits than its factorization.

531405351103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228955565.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 531405351103 its reverse (301153504135), we get a palindrome (832558855238).

The spelling of 531405351103 in words is "five hundred thirty-one billion, four hundred five million, three hundred fifty-one thousand, one hundred three".