30311013121311 has 32 divisors (see below), whose sum is σ = 45834428586240. Its totient is φ = 17663401983744.

The previous prime is 30311013121303. The next prime is 30311013121343. The reversal of 30311013121311 is 11312131011303.

It is not a de Polignac number, because 30311013121311 - 2³ = 30311013121303 is a prime.

It is a super-2 number, since 2×30311013121311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311013121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7342110 + ... + 10701803.

It is an arithmetic number, because the mean of its divisors is an integer number (1432325893320).

Almost surely, 2^{30311013121311} is an apocalyptic number.

30311013121311 is a deficient number, since it is larger than the sum of its proper divisors (15523415464929).

30311013121311 is a wasteful number, since it uses less digits than its factorization.

30311013121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18046215.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 30311013121311 its reverse (11312131011303), we get a palindrome (41623144132614).

The spelling of 30311013121311 in words is "thirty trillion, three hundred eleven billion, thirteen million, one hundred twenty-one thousand, three hundred eleven".