254123043031313 has 4 divisors (see below), whose sum is σ = 254123130205620. Its totient is φ = 254122955857008.

The previous prime is 254123043031307. The next prime is 254123043031387. The reversal of 254123043031313 is 313130340321452.

254123043031313 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 184496585034304 + 69626457997009 = 13582952^2 + 8344247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254123043031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254123043031213) 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, 39057578 + ... + 45097011.

It is an arithmetic number, because the mean of its divisors is an integer number (63530782551405).

Almost surely, 2^{254123043031313} is an apocalyptic number.

It is an amenable number.

254123043031313 is a deficient number, since it is larger than the sum of its proper divisors (87174307).

254123043031313 is an equidigital number, since it uses as much as digits as its factorization.

254123043031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87174306.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 254123043031313 its reverse (313130340321452), we get a palindrome (567253383352765).

The spelling of 254123043031313 in words is "two hundred fifty-four trillion, one hundred twenty-three billion, forty-three million, thirty-one thousand, three hundred thirteen".