254001513231 has 48 divisors (see below), whose sum is σ = 403368562688. Its totient is φ = 159442797600.

The previous prime is 254001513223. The next prime is 254001513257. The reversal of 254001513231 is 132315100452.

254001513231 is a `hidden beast` number, since 2 + 5 + 400 + 15 + 13 + 231 = 666.

It is not a de Polignac number, because 254001513231 - 2³ = 254001513223 is a prime.

It is a super-2 number, since 2×254001513231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254001513195 and 254001513204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254001512231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176935 + ... + 734376.

Almost surely, 2^254001513231 is an apocalyptic number.

254001513231 is a deficient number, since it is larger than the sum of its proper divisors (149367049457).

254001513231 is an equidigital number, since it uses as much as digits as its factorization.

254001513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911394 (or 911382 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 254001513231 its reverse (132315100452), we get a palindrome (386316613683).

The spelling of 254001513231 in words is "two hundred fifty-four billion, one million, five hundred thirteen thousand, two hundred thirty-one".