31552745743 has 4 divisors (see below), whose sum is σ = 31554166248. Its totient is φ = 31551325240.

The previous prime is 31552745687. The next prime is 31552745767. The reversal of 31552745743 is 34754725513.

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 31552745743 - 2²⁵ = 31519191311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31552745693 and 31552745702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31552745843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676396 + ... + 721537.

It is an arithmetic number, because the mean of its divisors is an integer number (7888541562).

Almost surely, 2^31552745743 is an apocalyptic number.

31552745743 is a deficient number, since it is larger than the sum of its proper divisors (1420505).

31552745743 is a wasteful number, since it uses less digits than its factorization.

31552745743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420504.

The product of its digits is 1764000, while the sum is 46.

The spelling of 31552745743 in words is "thirty-one billion, five hundred fifty-two million, seven hundred forty-five thousand, seven hundred forty-three".