31121024001 has 8 divisors (see below), whose sum is σ = 41793222240. Its totient is φ = 20598087552.

The previous prime is 31121023987. The next prime is 31121024021. The reversal of 31121024001 is 10042012113.

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

It is not a de Polignac number, because 31121024001 - 2⁷ = 31121023873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31121024021) 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, 37314960 + ... + 37315793.

It is an arithmetic number, because the mean of its divisors is an integer number (5224152780).

Almost surely, 2^31121024001 is an apocalyptic number.

It is an amenable number.

31121024001 is a deficient number, since it is larger than the sum of its proper divisors (10672198239).

31121024001 is a wasteful number, since it uses less digits than its factorization.

31121024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74630895.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31121024001 its reverse (10042012113), we get a palindrome (41163036114).

The spelling of 31121024001 in words is "thirty-one billion, one hundred twenty-one million, twenty-four thousand, one".