3132500044021 has 4 divisors (see below), whose sum is σ = 3163514896044. Its totient is φ = 3101485192000.

The previous prime is 3132500043947. The next prime is 3132500044031. The reversal of 3132500044021 is 1204400052313.

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 3010967625796 + 121532418225 = 1735214^2 + 348615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132500044021 - 2¹⁹ = 3132499519733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132500044031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15507425860 + ... + 15507426061.

It is an arithmetic number, because the mean of its divisors is an integer number (790878724011).

Almost surely, 2^{3132500044021} is an apocalyptic number.

It is an amenable number.

3132500044021 is a deficient number, since it is larger than the sum of its proper divisors (31014852023).

3132500044021 is a wasteful number, since it uses less digits than its factorization.

3132500044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31014852022.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 3132500044021 its reverse (1204400052313), we get a palindrome (4336900096334).

The spelling of 3132500044021 in words is "three trillion, one hundred thirty-two billion, five hundred million, forty-four thousand, twenty-one".