32131146577 has 4 divisors (see below), whose sum is σ = 32132738916. Its totient is φ = 32129554240.

The previous prime is 32131146529. The next prime is 32131146613. The reversal of 32131146577 is 77564113123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20812101696 + 11319044881 = 144264^2 + 106391^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131146577 - 2¹⁵ = 32131113809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131146077) 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 3 ways as a sum of consecutive naturals, for example, 765508 + ... + 806389.

It is an arithmetic number, because the mean of its divisors is an integer number (8033184729).

Almost surely, 2^32131146577 is an apocalyptic number.

It is an amenable number.

32131146577 is a deficient number, since it is larger than the sum of its proper divisors (1592339).

32131146577 is a wasteful number, since it uses less digits than its factorization.

32131146577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592338.

The product of its digits is 105840, while the sum is 40.

The spelling of 32131146577 in words is "thirty-two billion, one hundred thirty-one million, one hundred forty-six thousand, five hundred seventy-seven".