520465507354231 has 32 divisors (see below), whose sum is σ = 531224749440000. Its totient is φ = 509853036413952.

The previous prime is 520465507354207. The next prime is 520465507354241. The reversal of 520465507354231 is 132453705564025.

It is a cyclic number.

It is not a de Polignac number, because 520465507354231 - 2¹⁹ = 520465506829943 is a prime.

It is a super-2 number, since 2×520465507354231² (a number of 30 digits) contains 22 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 (520465507354241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3896829030 + ... + 3896962588.

It is an arithmetic number, because the mean of its divisors is an integer number (16600773420000).

Almost surely, 2^{520465507354231} is an apocalyptic number.

520465507354231 is a deficient number, since it is larger than the sum of its proper divisors (10759242085769).

520465507354231 is a wasteful number, since it uses less digits than its factorization.

520465507354231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134991.

The product of its (nonzero) digits is 15120000, while the sum is 52.

The spelling of 520465507354231 in words is "five hundred twenty trillion, four hundred sixty-five billion, five hundred seven million, three hundred fifty-four thousand, two hundred thirty-one".