311302230013030 has 64 divisors (see below), whose sum is σ = 566584740267840. Its totient is φ = 123141168543744.

The previous prime is 311302230013003. The next prime is 311302230013039. The reversal of 311302230013030 is 30310032203113.

It is a super-2 number, since 2×311302230013030² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311302230012992 and 311302230013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311302230013039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1965299514 + ... + 1965457906.

It is an arithmetic number, because the mean of its divisors is an integer number (8852886566685).

Almost surely, 2^{311302230013030} is an apocalyptic number.

311302230013030 is a deficient number, since it is larger than the sum of its proper divisors (255282510254810).

311302230013030 is a wasteful number, since it uses less digits than its factorization.

311302230013030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163993.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 311302230013030 its reverse (30310032203113), we get a palindrome (341612262216143).

The spelling of 311302230013030 in words is "three hundred eleven trillion, three hundred two billion, two hundred thirty million, thirteen thousand, thirty".