331431234121001 has 32 divisors (see below), whose sum is σ = 388884560080896. Its totient is φ = 276586756056000.

The previous prime is 331431234120881. The next prime is 331431234121007. The reversal of 331431234121001 is 100121432134133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331431234121001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331431234121007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675226156 + ... + 1675423986.

It is an arithmetic number, because the mean of its divisors is an integer number (12152642502528).

Almost surely, 2^{331431234121001} is an apocalyptic number.

It is an amenable number.

331431234121001 is a deficient number, since it is larger than the sum of its proper divisors (57453325959895).

331431234121001 is a wasteful number, since it uses less digits than its factorization.

331431234121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232493.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 331431234121001 its reverse (100121432134133), we get a palindrome (431552666255134).

The spelling of 331431234121001 in words is "three hundred thirty-one trillion, four hundred thirty-one billion, two hundred thirty-four million, one hundred twenty-one thousand, one".