4020040100231 has 4 divisors (see below), whose sum is σ = 4020739365000. Its totient is φ = 4019340835464.

The previous prime is 4020040100191. The next prime is 4020040100353. The reversal of 4020040100231 is 1320010400204.

4020040100231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4020040100231 - 2²² = 4020035905927 is a prime.

It is a super-2 number, since 2×4020040100231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020040100431) 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, 349623761 + ... + 349635258.

It is an arithmetic number, because the mean of its divisors is an integer number (1005184841250).

Almost surely, 2^{4020040100231} is an apocalyptic number.

4020040100231 is a deficient number, since it is larger than the sum of its proper divisors (699264769).

4020040100231 is an equidigital number, since it uses as much as digits as its factorization.

4020040100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699264768.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 4020040100231 its reverse (1320010400204), we get a palindrome (5340050500435).

The spelling of 4020040100231 in words is "four trillion, twenty billion, forty million, one hundred thousand, two hundred thirty-one".