531430334064 has 60 divisors (see below), whose sum is σ = 1699733532016. Its totient is φ = 151837238016.

The previous prime is 531430334053. The next prime is 531430334069. The reversal of 531430334064 is 460433034135.

531430334064 is a `hidden beast` number, since 5 + 3 + 1 + 4 + 303 + 340 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531430334069) 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, 263605309 + ... + 263607324.

Almost surely, 2^531430334064 is an apocalyptic number.

It is an amenable number.

531430334064 is an abundant number, since it is smaller than the sum of its proper divisors (1168303197952).

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

531430334064 is a wasteful number, since it uses less digits than its factorization.

531430334064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527212654 (or 527212645 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 531430334064 its reverse (460433034135), we get a palindrome (991863368199).

The spelling of 531430334064 in words is "five hundred thirty-one billion, four hundred thirty million, three hundred thirty-four thousand, sixty-four".