531135104223351 has 16 divisors (see below), whose sum is σ = 749853606636288. Its totient is φ = 333254214115200.

The previous prime is 531135104223319. The next prime is 531135104223391. The reversal of 531135104223351 is 153322401531135.

It is a happy number.

It is not a de Polignac number, because 531135104223351 - 2⁵ = 531135104223319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531135104223391) 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 15 ways as a sum of consecutive naturals, for example, 107365905 + ... + 112203866.

It is an arithmetic number, because the mean of its divisors is an integer number (46865850414768).

Almost surely, 2^{531135104223351} is an apocalyptic number.

531135104223351 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

531135104223351 is a deficient number, since it is larger than the sum of its proper divisors (218718502412937).

531135104223351 is a wasteful number, since it uses less digits than its factorization.

531135104223351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219617222.

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 531135104223351 its reverse (153322401531135), we get a palindrome (684457505754486).

The spelling of 531135104223351 in words is "five hundred thirty-one trillion, one hundred thirty-five billion, one hundred four million, two hundred twenty-three thousand, three hundred fifty-one".