31543552051545 has 8 divisors (see below), whose sum is σ = 50469683282496. Its totient is φ = 16823227760816.

The previous prime is 31543552051537. The next prime is 31543552051559. The reversal of 31543552051545 is 54515025534513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31543552051545 - 2³ = 31543552051537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31543552051494 and 31543552051503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051451735037 + ... + 1051451735066.

It is an arithmetic number, because the mean of its divisors is an integer number (6308710410312).

Almost surely, 2^{31543552051545} is an apocalyptic number.

It is an amenable number.

31543552051545 is a deficient number, since it is larger than the sum of its proper divisors (18926131230951).

31543552051545 is a wasteful number, since it uses less digits than its factorization.

31543552051545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102903470111.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 31543552051545 in words is "thirty-one trillion, five hundred forty-three billion, five hundred fifty-two million, fifty-one thousand, five hundred forty-five".