20312303311130 has 32 divisors (see below), whose sum is σ = 37096131945600. Its totient is φ = 8006375218240.

The previous prime is 20312303311121. The next prime is 20312303311141. The reversal of 20312303311130 is 3111330321302.

It is a junction number, because it is equal to n+sod(n) for n = 20312303311096 and 20312303311105.

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, 5955584 + ... + 8723163.

It is an arithmetic number, because the mean of its divisors is an integer number (1159254123300).

Almost surely, 2^{20312303311130} is an apocalyptic number.

20312303311130 is a deficient number, since it is larger than the sum of its proper divisors (16783828634470).

20312303311130 is a wasteful number, since it uses less digits than its factorization.

20312303311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680774.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20312303311130 its reverse (3111330321302), we get a palindrome (23423633632432).

The spelling of 20312303311130 in words is "twenty trillion, three hundred twelve billion, three hundred three million, three hundred eleven thousand, one hundred thirty".