31112302201201 has 6 divisors (see below), whose sum is σ = 33689652679590. Its totient is φ = 28719048185568.

The previous prime is 31112302201199. The next prime is 31112302201283. The reversal of 31112302201201 is 10210220321113.

It can be written as a sum of positive squares in 3 ways, for example, as 78478419600 + 31033823781601 = 280140^2 + 5570801^2 .

It is not a de Polignac number, because 31112302201201 - 2¹ = 31112302201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112302201601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92048231196 + ... + 92048231533.

It is an arithmetic number, because the mean of its divisors is an integer number (5614942113265).

Almost surely, 2^{31112302201201} is an apocalyptic number.

It is an amenable number.

31112302201201 is a deficient number, since it is larger than the sum of its proper divisors (2577350478389).

31112302201201 is a wasteful number, since it uses less digits than its factorization.

31112302201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184096462755 (or 184096462742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31112302201201 its reverse (10210220321113), we get a palindrome (41322522522314).

The spelling of 31112302201201 in words is "thirty-one trillion, one hundred twelve billion, three hundred two million, two hundred one thousand, two hundred one".