31113123101 has 8 divisors (see below), whose sum is σ = 31875959808. Its totient is φ = 30350476000.

The previous prime is 31113123089. The next prime is 31113123131. The reversal of 31113123101 is 10132131113.

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 31113123101 - 2³⁰ = 30039381277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31113123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113123131) 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, 319106 + ... + 405036.

It is an arithmetic number, because the mean of its divisors is an integer number (3984494976).

Almost surely, 2^31113123101 is an apocalyptic number.

It is an amenable number.

31113123101 is a deficient number, since it is larger than the sum of its proper divisors (762836707).

31113123101 is an equidigital number, since it uses as much as digits as its factorization.

31113123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94803.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31113123101 its reverse (10132131113), we get a palindrome (41245254214).

The spelling of 31113123101 in words is "thirty-one billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred one".