1301326231031 has 2 divisors, whose sum is σ = 1301326231032. Its totient is φ = 1301326231030.

The previous prime is 1301326231021. The next prime is 1301326231109.

1301326231031 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1301326231031 - 2¹⁰ = 1301326230007 is a prime.

It is a super-2 number, since 2×1301326231031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301326231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650663115515 + 650663115516.

It is an arithmetic number, because the mean of its divisors is an integer number (650663115516).

Almost surely, 2^{1301326231031} is an apocalyptic number.

1301326231031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301326231031 is an equidigital number, since it uses as much as digits as its factorization.

1301326231031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 1301326231031 in words is "one trillion, three hundred one billion, three hundred twenty-six million, two hundred thirty-one thousand, thirty-one".