1030643101 has 4 divisors (see below), whose sum is σ = 1037468704. Its totient is φ = 1023817500.

The previous prime is 1030643077. The next prime is 1030643137. The reversal of 1030643101 is 1013460301.

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: 1013460301 = 7 ⋅144780043.

It is a cyclic number.

It is not a de Polignac number, because 1030643101 - 2⁹ = 1030642589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030640101) 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, 3412575 + ... + 3412876.

It is an arithmetic number, because the mean of its divisors is an integer number (259367176).

Almost surely, 2^1030643101 is an apocalyptic number.

It is an amenable number.

1030643101 is a deficient number, since it is larger than the sum of its proper divisors (6825603).

1030643101 is an equidigital number, since it uses as much as digits as its factorization.

1030643101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825602.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1030643101 is about 32103.6306513765. The cubic root of 1030643101 is about 1010.1117743827. Note that the first 3 decimals are identical.

The spelling of 1030643101 in words is "one billion, thirty million, six hundred forty-three thousand, one hundred one".