551044343031 has 96 divisors (see below), whose sum is σ = 963223027200. Its totient is φ = 277218982656.

The previous prime is 551044343029. The next prime is 551044343033. The reversal of 551044343031 is 130343440155.

It is an interprime number because it is at equal distance from previous prime (551044343029) and next prime (551044343033).

It is not a de Polignac number, because 551044343031 - 2¹ = 551044343029 is a prime.

It is a super-2 number, since 2×551044343031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551044342983 and 551044343001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551044343033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15321636 + ... + 15357558.

It is an arithmetic number, because the mean of its divisors is an integer number (10033573200).

Almost surely, 2^551044343031 is an apocalyptic number.

551044343031 is a deficient number, since it is larger than the sum of its proper divisors (412178684169).

551044343031 is a wasteful number, since it uses less digits than its factorization.

551044343031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36325 (or 36318 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 551044343031 its reverse (130343440155), we get a palindrome (681387783186).

The spelling of 551044343031 in words is "five hundred fifty-one billion, forty-four million, three hundred forty-three thousand, thirty-one".