31885281341 has 8 divisors (see below), whose sum is σ = 32046503040. Its totient is φ = 31724291872.

The previous prime is 31885281313. The next prime is 31885281347. The reversal of 31885281341 is 14318258813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31885281341 - 2¹⁸ = 31885019197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31885281292 and 31885281301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31885281347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220601 + ... + 335313.

It is an arithmetic number, because the mean of its divisors is an integer number (4005812880).

Almost surely, 2^31885281341 is an apocalyptic number.

It is an amenable number.

31885281341 is a deficient number, since it is larger than the sum of its proper divisors (161221699).

31885281341 is a wasteful number, since it uses less digits than its factorization.

31885281341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116115.

The product of its digits is 184320, while the sum is 44.

The spelling of 31885281341 in words is "thirty-one billion, eight hundred eighty-five million, two hundred eighty-one thousand, three hundred forty-one".