21130313311000 has 32 divisors (see below), whose sum is σ = 49444933150080. Its totient is φ = 8452125324000.

The previous prime is 21130313310979. The next prime is 21130313311021. The reversal of 21130313311000 is 11331303112.

It is an interprime number because it is at equal distance from previous prime (21130313310979) and next prime (21130313311021).

It is a congruent number.

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, 10565155656 + ... + 10565157655.

It is an arithmetic number, because the mean of its divisors is an integer number (1545154160940).

Almost surely, 2^{21130313311000} is an apocalyptic number.

21130313311000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130313311000 is an abundant number, since it is smaller than the sum of its proper divisors (28314619839080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130313311000 is a wasteful number, since it uses less digits than its factorization.

21130313311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130313332 (or 21130313318 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21130313311000 its reverse (11331303112), we get a palindrome (21141644614112).

The spelling of 21130313311000 in words is "twenty-one trillion, one hundred thirty billion, three hundred thirteen million, three hundred eleven thousand".