531314433011 has 4 divisors (see below), whose sum is σ = 532845598872. Its totient is φ = 529783267152.

The previous prime is 531314432993. The next prime is 531314433031. The reversal of 531314433011 is 110334413135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531314433011 - 2¹⁸ = 531314170867 is a prime.

It is a super-2 number, since 2×531314433011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531314433031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765582410 + ... + 765583103.

It is an arithmetic number, because the mean of its divisors is an integer number (133211399718).

Almost surely, 2^531314433011 is an apocalyptic number.

531314433011 is a deficient number, since it is larger than the sum of its proper divisors (1531165861).

531314433011 is a wasteful number, since it uses less digits than its factorization.

531314433011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531165860.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 531314433011 its reverse (110334413135), we get a palindrome (641648846146).

The spelling of 531314433011 in words is "five hundred thirty-one billion, three hundred fourteen million, four hundred thirty-three thousand, eleven".