32001231131 has 4 divisors (see below), whose sum is σ = 32029035264. Its totient is φ = 31973427000.

The previous prime is 32001231121. The next prime is 32001231139. The reversal of 32001231131 is 13113210023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13113210023 = 59 ⋅222257797.

It is a cyclic number.

It is not a de Polignac number, because 32001231131 - 2¹⁴ = 32001214747 is a prime.

It is a super-2 number, since 2×32001231131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32001231139) 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, 13900340 + ... + 13902641.

It is an arithmetic number, because the mean of its divisors is an integer number (8007258816).

Almost surely, 2^32001231131 is an apocalyptic number.

32001231131 is a deficient number, since it is larger than the sum of its proper divisors (27804133).

32001231131 is a wasteful number, since it uses less digits than its factorization.

32001231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27804132.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32001231131 its reverse (13113210023), we get a palindrome (45114441154).

The spelling of 32001231131 in words is "thirty-two billion, one million, two hundred thirty-one thousand, one hundred thirty-one".