31122302020101 has 6 divisors (see below), whose sum is σ = 44954436251270. Its totient is φ = 20748201346728.

The previous prime is 31122302020087. The next prime is 31122302020109. The reversal of 31122302020101 is 10102020322113.

31122302020101 is a `hidden beast` number, since 311 + 2 + 230 + 2 + 0 + 20 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26993989189476 + 4128312830625 = 5195574^2 + 2031825^2 .

It is not a de Polignac number, because 31122302020101 - 2¹⁵ = 31122301987333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122302020109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1729016778886 + ... + 1729016778903.

Almost surely, 2^{31122302020101} is an apocalyptic number.

It is an amenable number.

31122302020101 is a deficient number, since it is larger than the sum of its proper divisors (13832134231169).

31122302020101 is a wasteful number, since it uses less digits than its factorization.

31122302020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458033557795 (or 3458033557792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31122302020101 its reverse (10102020322113), we get a palindrome (41224322342214).

The spelling of 31122302020101 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred two million, twenty thousand, one hundred one".