2100031423011 has 8 divisors (see below), whose sum is σ = 3111157663760. Its totient is φ = 1400020948656.

The previous prime is 2100031422961. The next prime is 2100031423013. The reversal of 2100031423011 is 1103241300012.

2100031423011 is a `hidden beast` number, since 210 + 0 + 0 + 31 + 423 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 2100031423011 - 2⁷ = 2100031422883 is a prime.

It is a super-2 number, since 2×2100031423011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100031423013) 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, 38889470770 + ... + 38889470823.

It is an arithmetic number, because the mean of its divisors is an integer number (388894707970).

Almost surely, 2^{2100031423011} is an apocalyptic number.

2100031423011 is a deficient number, since it is larger than the sum of its proper divisors (1011126240749).

2100031423011 is an equidigital number, since it uses as much as digits as its factorization.

2100031423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77778941602 (or 77778941596 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2100031423011 its reverse (1103241300012), we get a palindrome (3203272723023).

The spelling of 2100031423011 in words is "two trillion, one hundred billion, thirty-one million, four hundred twenty-three thousand, eleven".