31100123110213 has 8 divisors (see below), whose sum is σ = 31119936092000. Its totient is φ = 31080311905968.

The previous prime is 31100123110187. The next prime is 31100123110241. The reversal of 31100123110213 is 31201132100113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31100123110213 - 2¹³ = 31100123102021 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 (31100123110813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35482195 + ... + 36348127.

It is an arithmetic number, because the mean of its divisors is an integer number (3889992011500).

Almost surely, 2^{31100123110213} is an apocalyptic number.

It is an amenable number.

31100123110213 is a deficient number, since it is larger than the sum of its proper divisors (19812981787).

31100123110213 is a wasteful number, since it uses less digits than its factorization.

31100123110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888771.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31100123110213 its reverse (31201132100113), we get a palindrome (62301255210326).

The spelling of 31100123110213 in words is "thirty-one trillion, one hundred billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirteen".