520229031 has 12 divisors (see below), whose sum is σ = 806886072. Its totient is φ = 297273648.

The previous prime is 520229023. The next prime is 520229089. The reversal of 520229031 is 130922025.

It is not a de Polignac number, because 520229031 - 2³ = 520229023 is a prime.

It is a super-2 number, since 2×520229031² = 541276489390397922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520228992 and 520229010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520229431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769340 + ... + 1769633.

It is an arithmetic number, because the mean of its divisors is an integer number (67240506).

Almost surely, 2^520229031 is an apocalyptic number.

520229031 is a deficient number, since it is larger than the sum of its proper divisors (286657041).

520229031 is a wasteful number, since it uses less digits than its factorization.

520229031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538990 (or 3538983 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 520229031 is about 22808.5297860252. The cubic root of 520229031 is about 804.2631947533.

The spelling of 520229031 in words is "five hundred twenty million, two hundred twenty-nine thousand, thirty-one".