21003001313032 has 48 divisors (see below), whose sum is σ = 40580533602000. Its totient is φ = 10190714732352.

The previous prime is 21003001313029. The next prime is 21003001313033. The reversal of 21003001313032 is 23031310030012.

It is a super-2 number, since 2×21003001313032² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21003001313033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620819 + ... + 6680797.

It is an arithmetic number, because the mean of its divisors is an integer number (845427783375).

Almost surely, 2^{21003001313032} is an apocalyptic number.

It is an amenable number.

21003001313032 is a deficient number, since it is larger than the sum of its proper divisors (19577532288968).

21003001313032 is a wasteful number, since it uses less digits than its factorization.

21003001313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060438 (or 5060397 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21003001313032 its reverse (23031310030012), we get a palindrome (44034311343044).

The spelling of 21003001313032 in words is "twenty-one trillion, three billion, one million, three hundred thirteen thousand, thirty-two".