31220120003303 has 8 divisors (see below), whose sum is σ = 38923785978240. Its totient is φ = 24327366236280.

The previous prime is 31220120003297. The next prime is 31220120003341. The reversal of 31220120003303 is 30330002102213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31220120003303 - 2⁶ = 31220120003239 is a prime.

It is a super-2 number, since 2×31220120003303² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31220120003363) 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 7 ways as a sum of consecutive naturals, for example, 202728051893 + ... + 202728052046.

It is an arithmetic number, because the mean of its divisors is an integer number (4865473247280).

Almost surely, 2^{31220120003303} is an apocalyptic number.

31220120003303 is a deficient number, since it is larger than the sum of its proper divisors (7703665974937).

31220120003303 is a wasteful number, since it uses less digits than its factorization.

31220120003303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405456103957.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31220120003303 its reverse (30330002102213), we get a palindrome (61550122105516).

The spelling of 31220120003303 in words is "thirty-one trillion, two hundred twenty billion, one hundred twenty million, three thousand, three hundred three".