254401140220231 has 24 divisors (see below), whose sum is σ = 272226459415680. Its totient is φ = 237571972389360.

The previous prime is 254401140220187. The next prime is 254401140220301. The reversal of 254401140220231 is 132022041104452.

254401140220231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254401140220231 - 2¹³ = 254401140212039 is a prime.

It is a super-2 number, since 2×254401140220231² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254401140220193 and 254401140220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254401140223231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33656971 + ... + 40516588.

It is an arithmetic number, because the mean of its divisors is an integer number (11342769142320).

Almost surely, 2^{254401140220231} is an apocalyptic number.

254401140220231 is a deficient number, since it is larger than the sum of its proper divisors (17825319195449).

254401140220231 is an equidigital number, since it uses as much as digits as its factorization.

254401140220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74173747 (or 74173716 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 254401140220231 its reverse (132022041104452), we get a palindrome (386423181324683).

The spelling of 254401140220231 in words is "two hundred fifty-four trillion, four hundred one billion, one hundred forty million, two hundred twenty thousand, two hundred thirty-one".