531553422040232 has 16 divisors (see below), whose sum is σ = 997280560129140. Its totient is φ = 265611939339136.

The previous prime is 531553422040153. The next prime is 531553422040247. The reversal of 531553422040232 is 232040224355135.

It can be written as a sum of positive squares in 2 ways, for example, as 493266954028996 + 38286468011236 = 22209614^2 + 6187606^2 .

It is a super-2 number, since 2×531553422040232² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531553422040232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20596446413 + ... + 20596472220.

Almost surely, 2^{531553422040232} is an apocalyptic number.

It is an amenable number.

531553422040232 is a deficient number, since it is larger than the sum of its proper divisors (465727138088908).

531553422040232 is a wasteful number, since it uses less digits than its factorization.

531553422040232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41192920252 (or 41192920248 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 531553422040232 its reverse (232040224355135), we get a palindrome (763593646395367).

The spelling of 531553422040232 in words is "five hundred thirty-one trillion, five hundred fifty-three billion, four hundred twenty-two million, forty thousand, two hundred thirty-two".