20101311310 has 32 divisors (see below), whose sum is σ = 36500919840. Its totient is φ = 7969982592.

The previous prime is 20101311299. The next prime is 20101311319. The reversal of 20101311310 is 1311310102.

It is a super-2 number, since 2×20101311310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101311319) by changing a digit.

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, 642552 + ... + 673108.

It is an arithmetic number, because the mean of its divisors is an integer number (1140653745).

Almost surely, 2^20101311310 is an apocalyptic number.

20101311310 is a deficient number, since it is larger than the sum of its proper divisors (16399608530).

20101311310 is a wasteful number, since it uses less digits than its factorization.

20101311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20101311310 its reverse (1311310102), we get a palindrome (21412621412).

The spelling of 20101311310 in words is "twenty billion, one hundred one million, three hundred eleven thousand, three hundred ten".