101430730813 has 4 divisors (see below), whose sum is σ = 101439428860. Its totient is φ = 101422032768.

The previous prime is 101430730801. The next prime is 101430730867. The reversal of 101430730813 is 318037034101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318037034101 = 157 ⋅2025713593.

It can be written as a sum of positive squares in 2 ways, for example, as 56369206084 + 45061524729 = 237422^2 + 212277^2 .

It is a cyclic number.

It is not a de Polignac number, because 101430730813 - 2⁹ = 101430730301 is a prime.

It is a super-3 number, since 3×101430730813³ (a number of 34 digits) contains 333 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 (101430733813) 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, 4331508 + ... + 4354861.

It is an arithmetic number, because the mean of its divisors is an integer number (25359857215).

Almost surely, 2^101430730813 is an apocalyptic number.

It is an amenable number.

101430730813 is a deficient number, since it is larger than the sum of its proper divisors (8698047).

101430730813 is an equidigital number, since it uses as much as digits as its factorization.

101430730813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698046.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 101430730813 its reverse (318037034101), we get a palindrome (419467764914).

The spelling of 101430730813 in words is "one hundred one billion, four hundred thirty million, seven hundred thirty thousand, eight hundred thirteen".