31115726041 has 8 divisors (see below), whose sum is σ = 31259330784. Its totient is φ = 30972179040.

The previous prime is 31115726023. The next prime is 31115726051. The reversal of 31115726041 is 14062751113.

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 31115726041 - 2⁷ = 31115725913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31115725994 and 31115726012.

It is not an unprimeable number, because it can be changed into a prime (31115726051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367286 + ... + 1389856.

It is an arithmetic number, because the mean of its divisors is an integer number (3907416348).

Almost surely, 2^31115726041 is an apocalyptic number.

It is an amenable number.

31115726041 is a deficient number, since it is larger than the sum of its proper divisors (143604743).

31115726041 is a wasteful number, since it uses less digits than its factorization.

31115726041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28871.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 31115726041 in words is "thirty-one billion, one hundred fifteen million, seven hundred twenty-six thousand, forty-one".