31222023201201 has 64 divisors (see below), whose sum is σ = 49173430394880. Its totient is φ = 17252577089280.

The previous prime is 31222023201197. The next prime is 31222023201211. The reversal of 31222023201201 is 10210232022213.

It is not a de Polignac number, because 31222023201201 - 2² = 31222023201197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31222023201211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29081775 + ... + 30136251.

It is an arithmetic number, because the mean of its divisors is an integer number (768334849920).

Almost surely, 2^{31222023201201} is an apocalyptic number.

It is an amenable number.

31222023201201 is a deficient number, since it is larger than the sum of its proper divisors (17951407193679).

31222023201201 is a wasteful number, since it uses less digits than its factorization.

31222023201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054894.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31222023201201 its reverse (10210232022213), we get a palindrome (41432255223414).

The spelling of 31222023201201 in words is "thirty-one trillion, two hundred twenty-two billion, twenty-three million, two hundred one thousand, two hundred one".