31033220212001 has 16 divisors (see below), whose sum is σ = 37346877859200. Its totient is φ = 25190673729408.

The previous prime is 31033220211979. The next prime is 31033220212021. The reversal of 31033220212001 is 10021202233013.

It is a cyclic number.

It is not a de Polignac number, because 31033220212001 - 2¹⁴ = 31033220195617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31033220212021) 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 15 ways as a sum of consecutive naturals, for example, 42387590 + ... + 43113503.

It is an arithmetic number, because the mean of its divisors is an integer number (2334179866200).

Almost surely, 2^{31033220212001} is an apocalyptic number.

It is an amenable number.

31033220212001 is a deficient number, since it is larger than the sum of its proper divisors (6313657647199).

31033220212001 is a wasteful number, since it uses less digits than its factorization.

31033220212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85503848.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31033220212001 its reverse (10021202233013), we get a palindrome (41054422445014).

The spelling of 31033220212001 in words is "thirty-one trillion, thirty-three billion, two hundred twenty million, two hundred twelve thousand, one".