531200520106 has 16 divisors (see below), whose sum is σ = 872763533640. Its totient is φ = 241356828160.

The previous prime is 531200520079. The next prime is 531200520107. The reversal of 531200520106 is 601025002135.

It can be written as a sum of positive squares in 4 ways, for example, as 529671006225 + 1529513881 = 727785^2 + 39109^2 .

It is not an unprimeable number, because it can be changed into a prime (531200520107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269370475 + ... + 269372446.

Almost surely, 2^531200520106 is an apocalyptic number.

531200520106 is a deficient number, since it is larger than the sum of its proper divisors (341563013534).

531200520106 is a wasteful number, since it uses less digits than its factorization.

531200520106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538742969.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 531200520106 in words is "five hundred thirty-one billion, two hundred million, five hundred twenty thousand, one hundred six".