1306066433631 has 16 divisors (see below), whose sum is σ = 1757487621120. Its totient is φ = 862678913760.

The previous prime is 1306066433597. The next prime is 1306066433653. The reversal of 1306066433631 is 1363346606031.

It is not a de Polignac number, because 1306066433631 - 2¹⁰ = 1306066432607 is a prime.

It is a super-2 number, since 2×1306066433631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306066433671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7124086 + ... + 7305116.

It is an arithmetic number, because the mean of its divisors is an integer number (109842976320).

Almost surely, 2^{1306066433631} is an apocalyptic number.

1306066433631 is a deficient number, since it is larger than the sum of its proper divisors (451421187489).

1306066433631 is a wasteful number, since it uses less digits than its factorization.

1306066433631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203206.

The product of its (nonzero) digits is 419904, while the sum is 42.

The spelling of 1306066433631 in words is "one trillion, three hundred six billion, sixty-six million, four hundred thirty-three thousand, six hundred thirty-one".