311320101300030 has 48 divisors (see below), whose sum is σ = 809438335589520. Its totient is φ = 83018070889344.

The previous prime is 311320101300017. The next prime is 311320101300199. The reversal of 311320101300030 is 30003101023113.

It is a happy number.

311320101300030 is a `hidden beast` number, since 3 + 1 + 1 + 320 + 10 + 1 + 300 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 311320101299976 and 311320101300012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848440 + ... + 24967179.

It is an arithmetic number, because the mean of its divisors is an integer number (16863298658115).

Almost surely, 2^{311320101300030} is an apocalyptic number.

311320101300030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311320101300030 is an abundant number, since it is smaller than the sum of its proper divisors (498118234289490).

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

311320101300030 is a wasteful number, since it uses less digits than its factorization.

311320101300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25949625 (or 25949622 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 311320101300030 its reverse (30003101023113), we get a palindrome (341323202323143).

The spelling of 311320101300030 in words is "three hundred eleven trillion, three hundred twenty billion, one hundred one million, three hundred thousand, thirty".