631431363600543 has 16 divisors (see below), whose sum is σ = 918494172026496. Its totient is φ = 382665444807840.

The previous prime is 631431363600533. The next prime is 631431363600551. The reversal of 631431363600543 is 345006363134136.

It is not a de Polignac number, because 631431363600543 - 2²⁰ = 631431362551967 is a prime.

It is a super-2 number, since 2×631431363600543² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 631431363600492 and 631431363600501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631431363600533) 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, 505118821 + ... + 506367342.

It is an arithmetic number, because the mean of its divisors is an integer number (57405885751656).

Almost surely, 2^{631431363600543} is an apocalyptic number.

631431363600543 is a deficient number, since it is larger than the sum of its proper divisors (287062808425953).

631431363600543 is a wasteful number, since it uses less digits than its factorization.

631431363600543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011505094.

The product of its (nonzero) digits is 4199040, while the sum is 48.

The spelling of 631431363600543 in words is "six hundred thirty-one trillion, four hundred thirty-one billion, three hundred sixty-three million, six hundred thousand, five hundred forty-three".