240313271141257 has 2 divisors, whose sum is σ = 240313271141258. Its totient is φ = 240313271141256.

The previous prime is 240313271141243. The next prime is 240313271141263. The reversal of 240313271141257 is 752141172313042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206062264007161 + 34251007134096 = 14354869^2 + 5852436^2 .

It is a cyclic number.

It is not a de Polignac number, because 240313271141257 - 2²³ = 240313262752649 is a prime.

It is a super-2 number, since 2×240313271141257² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240313271141297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156635570628 + 120156635570629.

It is an arithmetic number, because the mean of its divisors is an integer number (120156635570629).

Almost surely, 2^{240313271141257} is an apocalyptic number.

It is an amenable number.

240313271141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

240313271141257 is an equidigital number, since it uses as much as digits as its factorization.

240313271141257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 240313271141257 in words is "two hundred forty trillion, three hundred thirteen billion, two hundred seventy-one million, one hundred forty-one thousand, two hundred fifty-seven".