20311012310 has 16 divisors (see below), whose sum is σ = 38710400256. Its totient is φ = 7646498688.

The previous prime is 20311012303. The next prime is 20311012343. The reversal of 20311012310 is 1321011302.

It is a super-4 number, since 4×20311012310⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59738102 + ... + 59738441.

It is an arithmetic number, because the mean of its divisors is an integer number (2419400016).

Almost surely, 2^20311012310 is an apocalyptic number.

20311012310 is a deficient number, since it is larger than the sum of its proper divisors (18399387946).

20311012310 is a wasteful number, since it uses less digits than its factorization.

20311012310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119476567.

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

Adding to 20311012310 its reverse (1321011302), we get a palindrome (21632023612).

The spelling of 20311012310 in words is "twenty billion, three hundred eleven million, twelve thousand, three hundred ten".