523413031 has 4 divisors (see below), whose sum is σ = 523492992. Its totient is φ = 523333072.

The previous prime is 523413029. The next prime is 523413053. The reversal of 523413031 is 130314325.

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 523413031 - 2¹ = 523413029 is a prime.

It is a super-2 number, since 2×523413031² = 547922402041213922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523412993 and 523413011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523443031) 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, 29191 + ... + 43576.

It is an arithmetic number, because the mean of its divisors is an integer number (130873248).

Almost surely, 2^523413031 is an apocalyptic number.

523413031 is a deficient number, since it is larger than the sum of its proper divisors (79961).

523413031 is an equidigital number, since it uses as much as digits as its factorization.

523413031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79960.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 523413031 is about 22878.2217621912. The cubic root of 523413031 is about 805.9006577725.

Adding to 523413031 its reverse (130314325), we get a palindrome (653727356).

The spelling of 523413031 in words is "five hundred twenty-three million, four hundred thirteen thousand, thirty-one".