30311131121323 has 16 divisors (see below), whose sum is σ = 34563293696736. Its totient is φ = 26333366699520.

The previous prime is 30311131121269. The next prime is 30311131121371. The reversal of 30311131121323 is 32312113111303.

It is not a de Polignac number, because 30311131121323 - 2²⁵ = 30311097566891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311131121393) 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, 21124965 + ... + 22514137.

It is an arithmetic number, because the mean of its divisors is an integer number (2160205856046).

Almost surely, 2^{30311131121323} is an apocalyptic number.

30311131121323 is a deficient number, since it is larger than the sum of its proper divisors (4252162575413).

30311131121323 is a wasteful number, since it uses less digits than its factorization.

30311131121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487934.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 30311131121323 its reverse (32312113111303), we get a palindrome (62623244232626).

The spelling of 30311131121323 in words is "thirty trillion, three hundred eleven billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty-three".