30231323123131 has 32 divisors (see below), whose sum is σ = 33814342215360. Its totient is φ = 26835683180544.

The previous prime is 30231323123129. The next prime is 30231323123137. The reversal of 30231323123131 is 13132132313203.

It is a happy number.

It is not a de Polignac number, because 30231323123131 - 2¹ = 30231323123129 is a prime.

It is a super-2 number, since 2×30231323123131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231323123131.

It is not an unprimeable number, because it can be changed into a prime (30231323123137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1608638671 + ... + 1608657463.

It is an arithmetic number, because the mean of its divisors is an integer number (1056698194230).

Almost surely, 2^{30231323123131} is an apocalyptic number.

30231323123131 is a deficient number, since it is larger than the sum of its proper divisors (3583019092229).

30231323123131 is a wasteful number, since it uses less digits than its factorization.

30231323123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35695.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 30231323123131 its reverse (13132132313203), we get a palindrome (43363455436334).

The spelling of 30231323123131 in words is "thirty trillion, two hundred thirty-one billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-one".