21101031314 has 16 divisors (see below), whose sum is σ = 34625154240. Its totient is φ = 9564657360.

The previous prime is 21101031293. The next prime is 21101031323. The reversal of 21101031314 is 41313010112.

It is a junction number, because it is equal to n+sod(n) for n = 21101031292 and 21101031301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327949 + ... + 1343744.

It is an arithmetic number, because the mean of its divisors is an integer number (2164072140).

Almost surely, 2^21101031314 is an apocalyptic number.

21101031314 is a deficient number, since it is larger than the sum of its proper divisors (13524122926).

21101031314 is a wasteful number, since it uses less digits than its factorization.

21101031314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672065.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21101031314 its reverse (41313010112), we get a palindrome (62414041426).

The spelling of 21101031314 in words is "twenty-one billion, one hundred one million, thirty-one thousand, three hundred fourteen".