31322212020213 has 8 divisors (see below), whose sum is σ = 41818118384928. Its totient is φ = 20853890167824.

The previous prime is 31322212020173. The next prime is 31322212020259. The reversal of 31322212020213 is 31202021222313.

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

It is a de Polignac number, because none of the positive numbers 2^k-31322212020213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322212025213) 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, 6896125431 + ... + 6896129972.

It is an arithmetic number, because the mean of its divisors is an integer number (5227264798116).

Almost surely, 2^{31322212020213} is an apocalyptic number.

It is an amenable number.

31322212020213 is a deficient number, since it is larger than the sum of its proper divisors (10495906364715).

31322212020213 is a wasteful number, since it uses less digits than its factorization.

31322212020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792256163.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31322212020213 its reverse (31202021222313), we get a palindrome (62524233242526).

The spelling of 31322212020213 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred twelve million, twenty thousand, two hundred thirteen".