531400242202 has 16 divisors (see below), whose sum is σ = 802494518400. Its totient is φ = 263902575600.

The previous prime is 531400242193. The next prime is 531400242221. The reversal of 531400242202 is 202242004135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039124 + ... + 2284912.

It is an arithmetic number, because the mean of its divisors is an integer number (50155907400).

Almost surely, 2^531400242202 is an apocalyptic number.

531400242202 is a deficient number, since it is larger than the sum of its proper divisors (271094276198).

531400242202 is a wasteful number, since it uses less digits than its factorization.

531400242202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253101.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 531400242202 its reverse (202242004135), we get a palindrome (733642246337).

The spelling of 531400242202 in words is "five hundred thirty-one billion, four hundred million, two hundred forty-two thousand, two hundred two".