21032101303 has 2 divisors, whose sum is σ = 21032101304. Its totient is φ = 21032101302.

The previous prime is 21032101283. The next prime is 21032101331. The reversal of 21032101303 is 30310123012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21032101303 - 2⁵ = 21032101271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032101603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516050651 + 10516050652.

It is an arithmetic number, because the mean of its divisors is an integer number (10516050652).

Almost surely, 2^21032101303 is an apocalyptic number.

21032101303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032101303 is an equidigital number, since it uses as much as digits as its factorization.

21032101303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21032101303 its reverse (30310123012), we get a palindrome (51342224315).

The spelling of 21032101303 in words is "twenty-one billion, thirty-two million, one hundred one thousand, three hundred three".