31552037543 has 16 divisors (see below), whose sum is σ = 34236871200. Its totient is φ = 29076652800.

The previous prime is 31552037521. The next prime is 31552037557. The reversal of 31552037543 is 34573025513.

It is not a de Polignac number, because 31552037543 - 2¹⁴ = 31552021159 is a prime.

It is a super-2 number, since 2×31552037543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31552037497 and 31552037506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31552037563) 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 15 ways as a sum of consecutive naturals, for example, 1348343 + ... + 1371543.

It is an arithmetic number, because the mean of its divisors is an integer number (2139804450).

Almost surely, 2^31552037543 is an apocalyptic number.

31552037543 is a deficient number, since it is larger than the sum of its proper divisors (2684833657).

31552037543 is an equidigital number, since it uses as much as digits as its factorization.

31552037543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859 (or 23833 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 31552037543 in words is "thirty-one billion, five hundred fifty-two million, thirty-seven thousand, five hundred forty-three".