32131023213 has 64 divisors (see below), whose sum is σ = 47530893312. Its totient is φ = 19221995520.

The previous prime is 32131023209. The next prime is 32131023229. The reversal of 32131023213 is 31232013123.

It is not a de Polignac number, because 32131023213 - 2² = 32131023209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32131023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131023203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42444831 + ... + 42445587.

It is an arithmetic number, because the mean of its divisors is an integer number (742670208).

Almost surely, 2^32131023213 is an apocalyptic number.

It is an amenable number.

32131023213 is a deficient number, since it is larger than the sum of its proper divisors (15399870099).

32131023213 is a wasteful number, since it uses less digits than its factorization.

32131023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32131023213 its reverse (31232013123), we get a palindrome (63363036336).

The spelling of 32131023213 in words is "thirty-two billion, one hundred thirty-one million, twenty-three thousand, two hundred thirteen".