3121662243001 has 4 divisors (see below), whose sum is σ = 3145491725904. Its totient is φ = 3097832760100.

The previous prime is 3121662242987. The next prime is 3121662243013. The reversal of 3121662243001 is 1003422661213.

3121662243001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3121662243001 - 2⁵ = 3121662242969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121662243071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11914741255 + ... + 11914741516.

It is an arithmetic number, because the mean of its divisors is an integer number (786372931476).

Almost surely, 2^{3121662243001} is an apocalyptic number.

It is an amenable number.

3121662243001 is a deficient number, since it is larger than the sum of its proper divisors (23829482903).

3121662243001 is a wasteful number, since it uses less digits than its factorization.

3121662243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23829482902.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 3121662243001 in words is "three trillion, one hundred twenty-one billion, six hundred sixty-two million, two hundred forty-three thousand, one".