531200520130 has 32 divisors (see below), whose sum is σ = 1105033518720. Its totient is φ = 180079532160.

The previous prime is 531200520113. The next prime is 531200520131. The reversal of 531200520130 is 31025002135.

It is not an unprimeable number, because it can be changed into a prime (531200520131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42626236 + ... + 42638695.

It is an arithmetic number, because the mean of its divisors is an integer number (34532297460).

Almost surely, 2^531200520130 is an apocalyptic number.

531200520130 is an abundant number, since it is smaller than the sum of its proper divisors (573832998590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531200520130 is a wasteful number, since it uses less digits than its factorization.

531200520130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85265034.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 531200520130 its reverse (31025002135), we get a palindrome (562225522265).

The spelling of 531200520130 in words is "five hundred thirty-one billion, two hundred million, five hundred twenty thousand, one hundred thirty".