1306623442231 has 4 divisors (see below), whose sum is σ = 1306628331264. Its totient is φ = 1306618553200.

The previous prime is 1306623442147. The next prime is 1306623442303. The reversal of 1306623442231 is 1322443266031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306623442231 - 2⁹ = 1306623441719 is a prime.

It is a super-2 number, since 2×1306623442231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306623446231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018935 + ... + 2586376.

It is an arithmetic number, because the mean of its divisors is an integer number (326657082816).

Almost surely, 2^{1306623442231} is an apocalyptic number.

1306623442231 is a deficient number, since it is larger than the sum of its proper divisors (4889033).

1306623442231 is an equidigital number, since it uses as much as digits as its factorization.

1306623442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889032.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 1306623442231 in words is "one trillion, three hundred six billion, six hundred twenty-three million, four hundred forty-two thousand, two hundred thirty-one".