31312331200101 has 24 divisors (see below), whose sum is σ = 49231353293184. Its totient is φ = 17647654368960.

The previous prime is 31312331200099. The next prime is 31312331200123. The reversal of 31312331200101 is 10100213321313.

It is a happy number.

It is not a de Polignac number, because 31312331200101 - 2¹ = 31312331200099 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312331200201) 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 23 ways as a sum of consecutive naturals, for example, 1458955405 + ... + 1458976866.

It is an arithmetic number, because the mean of its divisors is an integer number (2051306387216).

Almost surely, 2^{31312331200101} is an apocalyptic number.

It is an amenable number.

31312331200101 is a deficient number, since it is larger than the sum of its proper divisors (17919022093083).

31312331200101 is a wasteful number, since it uses less digits than its factorization.

31312331200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917932361 (or 2917932354 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31312331200101 its reverse (10100213321313), we get a palindrome (41412544521414).

It can be divided in two parts, 3131233 and 1200101, that added together give a palindrome (4331334).

The spelling of 31312331200101 in words is "thirty-one trillion, three hundred twelve billion, three hundred thirty-one million, two hundred thousand, one hundred one".