1306113001643 has 8 divisors (see below), whose sum is σ = 1351198875600. Its totient is φ = 1261030294048.

The previous prime is 1306113001637. The next prime is 1306113001649. The reversal of 1306113001643 is 3461003116031.

It is an interprime number because it is at equal distance from previous prime (1306113001637) and next prime (1306113001649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1306113001643 - 2³⁰ = 1305039259819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306113001649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63305 + ... + 1617477.

It is an arithmetic number, because the mean of its divisors is an integer number (168899859450).

Almost surely, 2^{1306113001643} is an apocalyptic number.

1306113001643 is a deficient number, since it is larger than the sum of its proper divisors (45085873957).

1306113001643 is a wasteful number, since it uses less digits than its factorization.

1306113001643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583181.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 1306113001643 its reverse (3461003116031), we get a palindrome (4767116117674).

The spelling of 1306113001643 in words is "one trillion, three hundred six billion, one hundred thirteen million, one thousand, six hundred forty-three".