1030681506691 has 32 divisors (see below), whose sum is σ = 1158951974400. Its totient is φ = 910851402240.

The previous prime is 1030681506667. The next prime is 1030681506697. The reversal of 1030681506691 is 1966051860301.

It is a cyclic number.

It is not a de Polignac number, because 1030681506691 - 2⁷ = 1030681506563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030681506697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35062786 + ... + 35092168.

It is an arithmetic number, because the mean of its divisors is an integer number (36217249200).

Almost surely, 2^{1030681506691} is an apocalyptic number.

1030681506691 is a deficient number, since it is larger than the sum of its proper divisors (128270467709).

1030681506691 is a wasteful number, since it uses less digits than its factorization.

1030681506691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30379.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1030681506691 in words is "one trillion, thirty billion, six hundred eighty-one million, five hundred six thousand, six hundred ninety-one".