103113233021 has 8 divisors (see below), whose sum is σ = 103558777560. Its totient is φ = 102668325952.

The previous prime is 103113232991. The next prime is 103113233039. The reversal of 103113233021 is 120332311301.

It can be written as a sum of positive squares in 4 ways, for example, as 18001588900 + 85111644121 = 134170^2 + 291739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103113233021 - 2²² = 103109038717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103113232984 and 103113233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113233521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166271 + ... + 483603.

It is an arithmetic number, because the mean of its divisors is an integer number (12944847195).

Almost surely, 2^103113233021 is an apocalyptic number.

It is an amenable number.

103113233021 is a deficient number, since it is larger than the sum of its proper divisors (445544539).

103113233021 is a wasteful number, since it uses less digits than its factorization.

103113233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318735.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103113233021 its reverse (120332311301), we get a palindrome (223445544322).

The spelling of 103113233021 in words is "one hundred three billion, one hundred thirteen million, two hundred thirty-three thousand, twenty-one".