31234121001 has 12 divisors (see below), whose sum is σ = 46165161328. Its totient is φ = 20338497144.

The previous prime is 31234120999. The next prime is 31234121057. The reversal of 31234121001 is 10012143213.

31234121001 is a `hidden beast` number, since 312 + 341 + 2 + 10 + 0 + 1 = 666.

It is not a de Polignac number, because 31234121001 - 2¹ = 31234120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234121081) 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 11 ways as a sum of consecutive naturals, for example, 40353775 + ... + 40354548.

Almost surely, 2^31234121001 is an apocalyptic number.

It is an amenable number.

31234121001 is a deficient number, since it is larger than the sum of its proper divisors (14931040327).

31234121001 is a wasteful number, since it uses less digits than its factorization.

31234121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80708372 (or 80708369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31234121001 its reverse (10012143213), we get a palindrome (41246264214).

The spelling of 31234121001 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty-one thousand, one".