426131012231 has 2 divisors, whose sum is σ = 426131012232. Its totient is φ = 426131012230.

The previous prime is 426131012149. The next prime is 426131012249. The reversal of 426131012231 is 132210131624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426131012231 is a prime.

It is a super-2 number, since 2×426131012231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426131012231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426131012831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213065506115 + 213065506116.

It is an arithmetic number, because the mean of its divisors is an integer number (213065506116).

Almost surely, 2^426131012231 is an apocalyptic number.

426131012231 is a deficient number, since it is larger than the sum of its proper divisors (1).

426131012231 is an equidigital number, since it uses as much as digits as its factorization.

426131012231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 426131012231 its reverse (132210131624), we get a palindrome (558341143855).

The spelling of 426131012231 in words is "four hundred twenty-six billion, one hundred thirty-one million, twelve thousand, two hundred thirty-one".