32131132331231 has 4 divisors (see below), whose sum is σ = 32143090328832. Its totient is φ = 32119174333632.

The previous prime is 32131132331197. The next prime is 32131132331251. The reversal of 32131132331231 is 13213323113123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32131132331231 is a prime.

It is a super-2 number, since 2×32131132331231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32131132331194 and 32131132331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131132331251) 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, 5978994770 + ... + 5979000143.

It is an arithmetic number, because the mean of its divisors is an integer number (8035772582208).

Almost surely, 2^{32131132331231} is an apocalyptic number.

32131132331231 is a deficient number, since it is larger than the sum of its proper divisors (11957997601).

32131132331231 is a wasteful number, since it uses less digits than its factorization.

32131132331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957997600.

The product of its digits is 5832, while the sum is 29.

Adding to 32131132331231 its reverse (13213323113123), we get a palindrome (45344455444354).

The spelling of 32131132331231 in words is "thirty-two trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred thirty-one".