331400212044001 has 4 divisors (see below), whose sum is σ = 332349782852500. Its totient is φ = 330450641235504.

The previous prime is 331400212043987. The next prime is 331400212044019. The reversal of 331400212044001 is 100440212004133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150176814262225 + 181223397781776 = 12254665^2 + 13461924^2 .

It is a cyclic number.

It is not a de Polignac number, because 331400212044001 - 2³⁹ = 330850456230113 is a prime.

It is a super-2 number, since 2×331400212044001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331400212044101) 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, 474785403726 + ... + 474785404423.

It is an arithmetic number, because the mean of its divisors is an integer number (83087445713125).

Almost surely, 2^{331400212044001} is an apocalyptic number.

It is an amenable number.

331400212044001 is a deficient number, since it is larger than the sum of its proper divisors (949570808499).

331400212044001 is an equidigital number, since it uses as much as digits as its factorization.

331400212044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949570808498.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 331400212044001 its reverse (100440212004133), we get a palindrome (431840424048134).

The spelling of 331400212044001 in words is "three hundred thirty-one trillion, four hundred billion, two hundred twelve million, forty-four thousand, one".