523130210115231 has 4 divisors (see below), whose sum is σ = 697506946820312. Its totient is φ = 348753473410152.

The previous prime is 523130210115217. The next prime is 523130210115241. The reversal of 523130210115231 is 132511012031325.

It is a happy number.

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

It is not a de Polignac number, because 523130210115231 - 2⁵ = 523130210115199 is a prime.

It is a super-2 number, since 2×523130210115231² (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 (523130210115211) 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, 87188368352536 + ... + 87188368352541.

It is an arithmetic number, because the mean of its divisors is an integer number (174376736705078).

Almost surely, 2^{523130210115231} is an apocalyptic number.

523130210115231 is a deficient number, since it is larger than the sum of its proper divisors (174376736705081).

523130210115231 is a wasteful number, since it uses less digits than its factorization.

523130210115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174376736705080.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 523130210115231 its reverse (132511012031325), we get a palindrome (655641222146556).

The spelling of 523130210115231 in words is "five hundred twenty-three trillion, one hundred thirty billion, two hundred ten million, one hundred fifteen thousand, two hundred thirty-one".