30311123321320 has 16 divisors (see below), whose sum is σ = 68200027473060. Its totient is φ = 12124449328512.

The previous prime is 30311123321233. The next prime is 30311123321333. The reversal of 30311123321320 is 2312332111303.

It can be written as a sum of positive squares in 2 ways, for example, as 27677636990116 + 2633486331204 = 5260954^2 + 1622802^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 378889041477 + ... + 378889041556.

Almost surely, 2^{30311123321320} is an apocalyptic number.

It is an amenable number.

30311123321320 is an abundant number, since it is smaller than the sum of its proper divisors (37888904151740).

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

30311123321320 is a wasteful number, since it uses less digits than its factorization.

30311123321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757778083044 (or 757778083040 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30311123321320 its reverse (2312332111303), we get a palindrome (32623455432623).

The spelling of 30311123321320 in words is "thirty trillion, three hundred eleven billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty".