31220033002213 has 8 divisors (see below), whose sum is σ = 34181171678880. Its totient is φ = 28279386635280.

The previous prime is 31220033002177. The next prime is 31220033002241.

31220033002213 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31220033002213 - 2³³ = 31211443067621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31220033002283) 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, 5123074243 + ... + 5123080336.

It is an arithmetic number, because the mean of its divisors is an integer number (4272646459860).

Almost surely, 2^{31220033002213} is an apocalyptic number.

It is an amenable number.

31220033002213 is a deficient number, since it is larger than the sum of its proper divisors (2961138676667).

31220033002213 is a wasteful number, since it uses less digits than its factorization.

31220033002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246154867.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 3122003 and 3002213, that added together give a palindrome (6124216).

The spelling of 31220033002213 in words is "thirty-one trillion, two hundred twenty billion, thirty-three million, two thousand, two hundred thirteen".