231325011 has 8 divisors (see below), whose sum is σ = 342703760. Its totient is φ = 154216656.

The previous prime is 231325009. The next prime is 231325013. The reversal of 231325011 is 110523132.

It is an interprime number because it is at equal distance from previous prime (231325009) and next prime (231325013).

It is not a de Polignac number, because 231325011 - 2¹ = 231325009 is a prime.

It is a super-2 number, since 2×231325011² = 107022521428300242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231325013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283770 + ... + 4283823.

It is an arithmetic number, because the mean of its divisors is an integer number (42837970).

Almost surely, 2^231325011 is an apocalyptic number.

231325011 is a deficient number, since it is larger than the sum of its proper divisors (111378749).

231325011 is an equidigital number, since it uses as much as digits as its factorization.

231325011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567602 (or 8567596 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 231325011 is about 15209.3724722620. The cubic root of 231325011 is about 613.8668724661.

Adding to 231325011 its reverse (110523132), we get a palindrome (341848143).

The spelling of 231325011 in words is "two hundred thirty-one million, three hundred twenty-five thousand, eleven".