531314544442 has 16 divisors (see below), whose sum is σ = 869556752064. Its totient is φ = 241469680000.

The previous prime is 531314544433. The next prime is 531314544457. The reversal of 531314544442 is 244445413135.

It is a junction number, because it is equal to n+sod(n) for n = 531314544395 and 531314544404.

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, 1699159 + ... + 1987402.

It is an arithmetic number, because the mean of its divisors is an integer number (54347297004).

Almost surely, 2^531314544442 is an apocalyptic number.

531314544442 is a deficient number, since it is larger than the sum of its proper divisors (338242207622).

531314544442 is a wasteful number, since it uses less digits than its factorization.

531314544442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693125.

The product of its digits is 460800, while the sum is 40.

Adding to 531314544442 its reverse (244445413135), we get a palindrome (775759957577).

The spelling of 531314544442 in words is "five hundred thirty-one billion, three hundred fourteen million, five hundred forty-four thousand, four hundred forty-two".