265204142061431 has 2 divisors, whose sum is σ = 265204142061432. Its totient is φ = 265204142061430.

The previous prime is 265204142061427. The next prime is 265204142061457. The reversal of 265204142061431 is 134160241402562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265204142061431 - 2² = 265204142061427 is a prime.

It is a super-2 number, since 2×265204142061431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265204142061461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132602071030715 + 132602071030716.

It is an arithmetic number, because the mean of its divisors is an integer number (132602071030716).

Almost surely, 2^{265204142061431} is an apocalyptic number.

265204142061431 is a deficient number, since it is larger than the sum of its proper divisors (1).

265204142061431 is an equidigital number, since it uses as much as digits as its factorization.

265204142061431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 265204142061431 its reverse (134160241402562), we get a palindrome (399364383463993).

The spelling of 265204142061431 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred forty-two million, sixty-one thousand, four hundred thirty-one".