20311003313130 has 32 divisors (see below), whose sum is σ = 50063878439424. Its totient is φ = 5269881940416.

The previous prime is 20311003313123. The next prime is 20311003313143. The reversal of 20311003313130 is 3131330011302.

It is a junction number, because it is equal to n+sod(n) for n = 20311003313097 and 20311003313106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9149099482 + ... + 9149101701.

It is an arithmetic number, because the mean of its divisors is an integer number (1564496201232).

Almost surely, 2^{20311003313130} is an apocalyptic number.

20311003313130 is an abundant number, since it is smaller than the sum of its proper divisors (29752875126294).

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

20311003313130 is a wasteful number, since it uses less digits than its factorization.

20311003313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298201230.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 20311003313130 its reverse (3131330011302), we get a palindrome (23442333324432).

The spelling of 20311003313130 in words is "twenty trillion, three hundred eleven billion, three million, three hundred thirteen thousand, one hundred thirty".