520231102 has 4 divisors (see below), whose sum is σ = 780346656. Its totient is φ = 260115550.

The previous prime is 520231091. The next prime is 520231133. The reversal of 520231102 is 201132025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130057774 + ... + 130057777.

It is an arithmetic number, because the mean of its divisors is an integer number (195086664).

Almost surely, 2^520231102 is an apocalyptic number.

520231102 is a deficient number, since it is larger than the sum of its proper divisors (260115554).

520231102 is a wasteful number, since it uses less digits than its factorization.

520231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260115553.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 520231102 is about 22808.5751856621. The cubic root of 520231102 is about 804.2642619928.

Adding to 520231102 its reverse (201132025), we get a palindrome (721363127).

The spelling of 520231102 in words is "five hundred twenty million, two hundred thirty-one thousand, one hundred two".