31102001241 has 16 divisors (see below), whose sum is σ = 41712390720. Its totient is φ = 20613216960.

The previous prime is 31102001209. The next prime is 31102001243. The reversal of 31102001241 is 14210020113.

It is not a de Polignac number, because 31102001241 - 2⁵ = 31102001209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31102001241.

It is not an unprimeable number, because it can be changed into a prime (31102001243) 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 15 ways as a sum of consecutive naturals, for example, 2006266 + ... + 2021708.

It is an arithmetic number, because the mean of its divisors is an integer number (2607024420).

Almost surely, 2^31102001241 is an apocalyptic number.

It is an amenable number.

31102001241 is a deficient number, since it is larger than the sum of its proper divisors (10610389479).

31102001241 is a wasteful number, since it uses less digits than its factorization.

31102001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336.

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

Adding to 31102001241 its reverse (14210020113), we get a palindrome (45312021354).

The spelling of 31102001241 in words is "thirty-one billion, one hundred two million, one thousand, two hundred forty-one".