31222023201222 has 64 divisors (see below), whose sum is σ = 71490801222144. Its totient is φ = 8904819905280.

The previous prime is 31222023201211. The next prime is 31222023201233. The reversal of 31222023201222 is 22210232022213.

It is an interprime number because it is at equal distance from previous prime (31222023201211) and next prime (31222023201233).

It is a junction number, because it is equal to n+sod(n) for n = 31222023201192 and 31222023201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53663308 + ... + 54242000.

It is an arithmetic number, because the mean of its divisors is an integer number (1117043769096).

Almost surely, 2^{31222023201222} is an apocalyptic number.

31222023201222 is an abundant number, since it is smaller than the sum of its proper divisors (40268778020922).

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

31222023201222 is a wasteful number, since it uses less digits than its factorization.

31222023201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580973.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31222023201222 its reverse (22210232022213), we get a palindrome (53432255223435).

The spelling of 31222023201222 in words is "thirty-one trillion, two hundred twenty-two billion, twenty-three million, two hundred one thousand, two hundred twenty-two".