601601540231 has 2 divisors, whose sum is σ = 601601540232. Its totient is φ = 601601540230.

The previous prime is 601601540209. The next prime is 601601540233. The reversal of 601601540231 is 132045106106.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601601540231 - 2³⁸ = 326723633287 is a prime.

It is a super-2 number, since 2×601601540231² (a number of 24 digits) contains 22 as substring.

Together with 601601540233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 601601540194 and 601601540203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601601540233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300800770115 + 300800770116.

It is an arithmetic number, because the mean of its divisors is an integer number (300800770116).

Almost surely, 2^601601540231 is an apocalyptic number.

601601540231 is a deficient number, since it is larger than the sum of its proper divisors (1).

601601540231 is an equidigital number, since it uses as much as digits as its factorization.

601601540231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 601601540231 its reverse (132045106106), we get a palindrome (733646646337).

The spelling of 601601540231 in words is "six hundred one billion, six hundred one million, five hundred forty thousand, two hundred thirty-one".