21313113331202 has 32 divisors (see below), whose sum is σ = 40122252094464. Its totient is φ = 8248818258000.

The previous prime is 21313113331199. The next prime is 21313113331259. The reversal of 21313113331202 is 20213331131312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458244428 + ... + 458290935.

It is an arithmetic number, because the mean of its divisors is an integer number (1253820377952).

Almost surely, 2^{21313113331202} is an apocalyptic number.

21313113331202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21313113331202 is a deficient number, since it is larger than the sum of its proper divisors (18809138763262).

21313113331202 is a wasteful number, since it uses less digits than its factorization.

21313113331202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916535534.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21313113331202 its reverse (20213331131312), we get a palindrome (41526444462514).

The spelling of 21313113331202 in words is "twenty-one trillion, three hundred thirteen billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred two".