311130442422020 has 48 divisors (see below), whose sum is σ = 706968217962048. Its totient is φ = 114334482648960.

The previous prime is 311130442422013. The next prime is 311130442422029. The reversal of 311130442422020 is 20224244031113.

It is not an unprimeable number, because it can be changed into a prime (311130442422029) 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, 2835621794 + ... + 2835731513.

It is an arithmetic number, because the mean of its divisors is an integer number (14728504540876).

Almost surely, 2^{311130442422020} is an apocalyptic number.

It is an amenable number.

311130442422020 is an abundant number, since it is smaller than the sum of its proper divisors (395837775540028).

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

311130442422020 is a wasteful number, since it uses less digits than its factorization.

311130442422020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671353540 (or 5671353538 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 311130442422020 its reverse (20224244031113), we get a palindrome (331354686453133).

The spelling of 311130442422020 in words is "three hundred eleven trillion, one hundred thirty billion, four hundred forty-two million, four hundred twenty-two thousand, twenty".