31330301121 has 40 divisors (see below), whose sum is σ = 54497323584. Its totient is φ = 17565219360.

The previous prime is 31330301117. The next prime is 31330301141. The reversal of 31330301121 is 12110303313.

It is a happy number.

31330301121 is a `hidden beast` number, since 31 + 330 + 301 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 31330301121 - 2² = 31330301117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31330301094 and 31330301103.

It is not an unprimeable number, because it can be changed into a prime (31330301141) 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 39 ways as a sum of consecutive naturals, for example, 491235 + ... + 551336.

Almost surely, 2^31330301121 is an apocalyptic number.

It is an amenable number.

31330301121 is a deficient number, since it is larger than the sum of its proper divisors (23167022463).

31330301121 is a wasteful number, since it uses less digits than its factorization.

31330301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042643 (or 1042634 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31330301121 its reverse (12110303313), we get a palindrome (43440604434).

The spelling of 31330301121 in words is "thirty-one billion, three hundred thirty million, three hundred one thousand, one hundred twenty-one".