20130311210 has 32 divisors (see below), whose sum is σ = 37187724672. Its totient is φ = 7843044160.

The previous prime is 20130311207. The next prime is 20130311219. The reversal of 20130311210 is 1211303102.

It is a super-2 number, since 2×20130311210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20130311219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111869 + ... + 229728.

It is an arithmetic number, because the mean of its divisors is an integer number (1162116396).

Almost surely, 2^20130311210 is an apocalyptic number.

20130311210 is a deficient number, since it is larger than the sum of its proper divisors (17057413462).

20130311210 is a wasteful number, since it uses less digits than its factorization.

20130311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341758.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20130311210 its reverse (1211303102), we get a palindrome (21341614312).

The spelling of 20130311210 in words is "twenty billion, one hundred thirty million, three hundred eleven thousand, two hundred ten".