551343400131 has 16 divisors (see below), whose sum is σ = 737455808000. Its totient is φ = 366397522848.

The previous prime is 551343400103. The next prime is 551343400151. The reversal of 551343400131 is 131004343155.

It is not a de Polignac number, because 551343400131 - 2¹⁰ = 551343399107 is a prime.

It is a super-2 number, since 2×551343400131² (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 (551343400151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2387820 + ... + 2608518.

It is an arithmetic number, because the mean of its divisors is an integer number (46090988000).

Almost surely, 2^551343400131 is an apocalyptic number.

551343400131 is a deficient number, since it is larger than the sum of its proper divisors (186112407869).

551343400131 is a wasteful number, since it uses less digits than its factorization.

551343400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223338.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 551343400131 its reverse (131004343155), we get a palindrome (682347743286).

The spelling of 551343400131 in words is "five hundred fifty-one billion, three hundred forty-three million, four hundred thousand, one hundred thirty-one".