32131144513 has 4 divisors (see below), whose sum is σ = 34602771028. Its totient is φ = 29659518000.

The previous prime is 32131144499. The next prime is 32131144541. The reversal of 32131144513 is 31544113123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31544113123 = 50093 ⋅629711.

It can be written as a sum of positive squares in 2 ways, for example, as 21384090289 + 10747054224 = 146233^2 + 103668^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131144513 - 2¹⁷ = 32131013441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131544513) 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, 1235813238 + ... + 1235813263.

It is an arithmetic number, because the mean of its divisors is an integer number (8650692757).

Almost surely, 2^32131144513 is an apocalyptic number.

It is an amenable number.

32131144513 is a deficient number, since it is larger than the sum of its proper divisors (2471626515).

32131144513 is a wasteful number, since it uses less digits than its factorization.

32131144513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471626514.

The product of its digits is 4320, while the sum is 28.

Adding to 32131144513 its reverse (31544113123), we get a palindrome (63675257636).

The spelling of 32131144513 in words is "thirty-two billion, one hundred thirty-one million, one hundred forty-four thousand, five hundred thirteen".