30240540250231 has 4 divisors (see below), whose sum is σ = 30249505726552. Its totient is φ = 30231574773912.

The previous prime is 30240540250213. The next prime is 30240540250241. The reversal of 30240540250231 is 13205204504203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30240540250231 - 2⁷ = 30240540250103 is a prime.

It is a super-2 number, since 2×30240540250231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30240540250193 and 30240540250202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240540250241) 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, 4482733101 + ... + 4482739846.

It is an arithmetic number, because the mean of its divisors is an integer number (7562376431638).

Almost surely, 2^{30240540250231} is an apocalyptic number.

30240540250231 is a deficient number, since it is larger than the sum of its proper divisors (8965476321).

30240540250231 is an equidigital number, since it uses as much as digits as its factorization.

30240540250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965476320.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 30240540250231 its reverse (13205204504203), we get a palindrome (43445744754434).

The spelling of 30240540250231 in words is "thirty trillion, two hundred forty billion, five hundred forty million, two hundred fifty thousand, two hundred thirty-one".