31089795841 has 12 divisors (see below), whose sum is σ = 33731515260. Its totient is φ = 28641812160.

The previous prime is 31089795833. The next prime is 31089795859. The reversal of 31089795841 is 14859798013.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23970816 + 31065825025 = 4896^2 + 176255^2 .

It is not a de Polignac number, because 31089795841 - 2³ = 31089795833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31089792841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94690 + ... + 266731.

It is an arithmetic number, because the mean of its divisors is an integer number (2810959605).

Almost surely, 2^31089795841 is an apocalyptic number.

It is an amenable number.

31089795841 is a deficient number, since it is larger than the sum of its proper divisors (2641719419).

31089795841 is a wasteful number, since it uses less digits than its factorization.

31089795841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361956 (or 361943 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 31089795841 in words is "thirty-one billion, eighty-nine million, seven hundred ninety-five thousand, eight hundred forty-one".