31401200214222 has 16 divisors (see below), whose sum is σ = 66496659277392. Its totient is φ = 9851356929920.

The previous prime is 31401200214217. The next prime is 31401200214233. The reversal of 31401200214222 is 22241200210413.

It is a junction number, because it is equal to n+sod(n) for n = 31401200214192 and 31401200214201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153927451929 + ... + 153927452132.

It is an arithmetic number, because the mean of its divisors is an integer number (4156041204837).

Almost surely, 2^{31401200214222} is an apocalyptic number.

31401200214222 is an abundant number, since it is smaller than the sum of its proper divisors (35095459063170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31401200214222 is a wasteful number, since it uses less digits than its factorization.

31401200214222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307854904083.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31401200214222 its reverse (22241200210413), we get a palindrome (53642400424635).

The spelling of 31401200214222 in words is "thirty-one trillion, four hundred one billion, two hundred million, two hundred fourteen thousand, two hundred twenty-two".