2011310100231 has 4 divisors (see below), whose sum is σ = 2681746800312. Its totient is φ = 1340873400152.

The previous prime is 2011310100167. The next prime is 2011310100341. The reversal of 2011310100231 is 1320010131102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011310100231 - 2⁶ = 2011310100167 is a prime.

It is a super-2 number, since 2×2011310100231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011310100231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011310100131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335218350036 + ... + 335218350041.

It is an arithmetic number, because the mean of its divisors is an integer number (670436700078).

Almost surely, 2^{2011310100231} is an apocalyptic number.

2011310100231 is a deficient number, since it is larger than the sum of its proper divisors (670436700081).

2011310100231 is an equidigital number, since it uses as much as digits as its factorization.

2011310100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670436700080.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2011310100231 its reverse (1320010131102), we get a palindrome (3331320231333).

The spelling of 2011310100231 in words is "two trillion, eleven billion, three hundred ten million, one hundred thousand, two hundred thirty-one".