31102222212133 has 8 divisors (see below), whose sum is σ = 31741262650368. Its totient is φ = 30465115331664.

The previous prime is 31102222212091. The next prime is 31102222212137. The reversal of 31102222212133 is 33121222220113.

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 31102222212133 - 2¹⁷ = 31102222081061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31102222212098 and 31102222212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102222212137) 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, 483356941 + ... + 483421282.

It is an arithmetic number, because the mean of its divisors is an integer number (3967657831296).

Almost surely, 2^{31102222212133} is an apocalyptic number.

It is an amenable number.

31102222212133 is a deficient number, since it is larger than the sum of its proper divisors (639040438235).

31102222212133 is an equidigital number, since it uses as much as digits as its factorization.

31102222212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966778883.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31102222212133 its reverse (33121222220113), we get a palindrome (64223444432246).

The spelling of 31102222212133 in words is "thirty-one trillion, one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, one hundred thirty-three".