31122322201001 has 16 divisors (see below), whose sum is σ = 33747104913984. Its totient is φ = 28586887655424.

The previous prime is 31122322200997. The next prime is 31122322201021. The reversal of 31122322201001 is 10010222322113.

It is a cyclic number.

It is not a de Polignac number, because 31122322201001 - 2² = 31122322200997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31122322201021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16602155 + ... + 18381408.

It is an arithmetic number, because the mean of its divisors is an integer number (2109194057124).

Almost surely, 2^{31122322201001} is an apocalyptic number.

It is an amenable number.

31122322201001 is a deficient number, since it is larger than the sum of its proper divisors (2624782712983).

31122322201001 is a wasteful number, since it uses less digits than its factorization.

31122322201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34984840.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31122322201001 its reverse (10010222322113), we get a palindrome (41132544523114).

The spelling of 31122322201001 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred twenty-two million, two hundred one thousand, one".