31422311101 has 4 divisors (see below), whose sum is σ = 32505839100. Its totient is φ = 30338783104.

The previous prime is 31422311099. The next prime is 31422311119. The reversal of 31422311101 is 10111322413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10111322413 = 277 ⋅36502969.

It can be written as a sum of positive squares in 2 ways, for example, as 6411204900 + 25011106201 = 80070^2 + 158149^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422311101 - 2¹ = 31422311099 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 (31422311191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541763956 + ... + 541764013.

It is an arithmetic number, because the mean of its divisors is an integer number (8126459775).

Almost surely, 2^31422311101 is an apocalyptic number.

It is an amenable number.

31422311101 is a deficient number, since it is larger than the sum of its proper divisors (1083527999).

31422311101 is a wasteful number, since it uses less digits than its factorization.

31422311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083527998.

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

Adding to 31422311101 its reverse (10111322413), we get a palindrome (41533633514).

The spelling of 31422311101 in words is "thirty-one billion, four hundred twenty-two million, three hundred eleven thousand, one hundred one".