31222033113 has 8 divisors (see below), whose sum is σ = 41686173568. Its totient is φ = 20786290704.

The previous prime is 31222033109. The next prime is 31222033159. The reversal of 31222033113 is 31133022213.

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

It is not a de Polignac number, because 31222033113 - 2² = 31222033109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31222033113.

It is not an unprimeable number, because it can be changed into a prime (31222033103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7096945 + ... + 7101342.

It is an arithmetic number, because the mean of its divisors is an integer number (5210771696).

Almost surely, 2^31222033113 is an apocalyptic number.

It is an amenable number.

31222033113 is a deficient number, since it is larger than the sum of its proper divisors (10464140455).

31222033113 is a wasteful number, since it uses less digits than its factorization.

31222033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199023.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31222033113 its reverse (31133022213), we get a palindrome (62355055326).

The spelling of 31222033113 in words is "thirty-one billion, two hundred twenty-two million, thirty-three thousand, one hundred thirteen".