30231131323 has 4 divisors (see below), whose sum is σ = 30231673200. Its totient is φ = 30230589448.

The previous prime is 30231131321. The next prime is 30231131341. The reversal of 30231131323 is 32313113203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313113203 = 7 ⋅4616159029.

It is a cyclic number.

It is not a de Polignac number, because 30231131323 - 2¹ = 30231131321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231131294 and 30231131303.

It is not an unprimeable number, because it can be changed into a prime (30231131321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176215 + ... + 302512.

It is an arithmetic number, because the mean of its divisors is an integer number (7557918300).

Almost surely, 2^30231131323 is an apocalyptic number.

30231131323 is a deficient number, since it is larger than the sum of its proper divisors (541877).

30231131323 is an equidigital number, since it uses as much as digits as its factorization.

30231131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541876.

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

Adding to 30231131323 its reverse (32313113203), we get a palindrome (62544244526).

The spelling of 30231131323 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".