26311263031 has 2 divisors, whose sum is σ = 26311263032. Its totient is φ = 26311263030.

The previous prime is 26311262987. The next prime is 26311263059. The reversal of 26311263031 is 13036211362.

It is an a-pointer prime, because the next prime (26311263059) can be obtained adding 26311263031 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26311263031 - 2¹⁵ = 26311230263 is a prime.

It is a super-2 number, since 2×26311263031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26311263331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155631515 + 13155631516.

It is an arithmetic number, because the mean of its divisors is an integer number (13155631516).

Almost surely, 2^26311263031 is an apocalyptic number.

26311263031 is a deficient number, since it is larger than the sum of its proper divisors (1).

26311263031 is an equidigital number, since it uses as much as digits as its factorization.

26311263031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 26311263031 its reverse (13036211362), we get a palindrome (39347474393).

The spelling of 26311263031 in words is "twenty-six billion, three hundred eleven million, two hundred sixty-three thousand, thirty-one".