10030336781 has 4 divisors (see below), whose sum is σ = 10353896064. Its totient is φ = 9706777500.

The previous prime is 10030336747. The next prime is 10030336783. The reversal of 10030336781 is 18763303001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18763303001 = 1973 ⋅9510037.

It is a cyclic number.

It is not a de Polignac number, because 10030336781 - 2⁶ = 10030336717 is a prime.

It is a super-2 number, since 2×10030336781² (a number of 21 digits) contains 22 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 (10030336783) 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, 161779595 + ... + 161779656.

It is an arithmetic number, because the mean of its divisors is an integer number (2588474016).

Almost surely, 2^10030336781 is an apocalyptic number.

It is an amenable number.

10030336781 is a deficient number, since it is larger than the sum of its proper divisors (323559283).

10030336781 is an equidigital number, since it uses as much as digits as its factorization.

10030336781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323559282.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 10030336781 its reverse (18763303001), we get a palindrome (28793639782).

The spelling of 10030336781 in words is "ten billion, thirty million, three hundred thirty-six thousand, seven hundred eighty-one".