1064430431631 has 12 divisors (see below), whose sum is σ = 1757154998352. Its totient is φ = 608245960896.

The previous prime is 1064430431557. The next prime is 1064430431653. The reversal of 1064430431631 is 1361340344601.

1064430431631 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 4 + 304 + 316 + 31 = 666.

It is not a de Polignac number, because 1064430431631 - 2¹⁰ = 1064430430607 is a prime.

It is a super-2 number, since 2×1064430431631² (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 (1064430431231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8447860506 + ... + 8447860631.

It is an arithmetic number, because the mean of its divisors is an integer number (146429583196).

Almost surely, 2^{1064430431631} is an apocalyptic number.

1064430431631 is a deficient number, since it is larger than the sum of its proper divisors (692724566721).

1064430431631 is a wasteful number, since it uses less digits than its factorization.

1064430431631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16895721150 (or 16895721147 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 1064430431631 in words is "one trillion, sixty-four billion, four hundred thirty million, four hundred thirty-one thousand, six hundred thirty-one".