26105331431 has 2 divisors, whose sum is σ = 26105331432. Its totient is φ = 26105331430.

The previous prime is 26105331403. The next prime is 26105331443. The reversal of 26105331431 is 13413350162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26105331431 - 2³⁰ = 25031589607 is a prime.

It is a super-2 number, since 2×26105331431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26105331394 and 26105331403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26105330431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052665715 + 13052665716.

It is an arithmetic number, because the mean of its divisors is an integer number (13052665716).

Almost surely, 2^26105331431 is an apocalyptic number.

26105331431 is a deficient number, since it is larger than the sum of its proper divisors (1).

26105331431 is an equidigital number, since it uses as much as digits as its factorization.

26105331431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 26105331431 its reverse (13413350162), we get a palindrome (39518681593).

The spelling of 26105331431 in words is "twenty-six billion, one hundred five million, three hundred thirty-one thousand, four hundred thirty-one".