21031001032310 has 16 divisors (see below), whose sum is σ = 37859280488496. Its totient is φ = 8411627383968.

The previous prime is 21031001032201. The next prime is 21031001032361. The reversal of 21031001032310 is 1323010013012.

It is a super-2 number, since 2×21031001032310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96514349 + ... + 96732008.

It is an arithmetic number, because the mean of its divisors is an integer number (2366205030531).

Almost surely, 2^{21031001032310} is an apocalyptic number.

21031001032310 is a deficient number, since it is larger than the sum of its proper divisors (16828279456186).

21031001032310 is a wasteful number, since it uses less digits than its factorization.

21031001032310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193257247.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21031001032310 its reverse (1323010013012), we get a palindrome (22354011045322).

The spelling of 21031001032310 in words is "twenty-one trillion, thirty-one billion, one million, thirty-two thousand, three hundred ten".