2031100233123 has 16 divisors (see below), whose sum is σ = 2922440251136. Its totient is φ = 1247341278240.

The previous prime is 2031100233121. The next prime is 2031100233167. The reversal of 2031100233123 is 3213320011302.

It is not a de Polignac number, because 2031100233123 - 2¹ = 2031100233121 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 2031100233123.

It is not an unprimeable number, because it can be changed into a prime (2031100233121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53450713 + ... + 53488698.

It is an arithmetic number, because the mean of its divisors is an integer number (182652515696).

Almost surely, 2^{2031100233123} is an apocalyptic number.

2031100233123 is a deficient number, since it is larger than the sum of its proper divisors (891340018013).

2031100233123 is a wasteful number, since it uses less digits than its factorization.

2031100233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106939914.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2031100233123 its reverse (3213320011302), we get a palindrome (5244420244425).

The spelling of 2031100233123 in words is "two trillion, thirty-one billion, one hundred million, two hundred thirty-three thousand, one hundred twenty-three".