230311332305 has 16 divisors (see below), whose sum is σ = 276699371088. Its totient is φ = 184032000000.

The previous prime is 230311332287. The next prime is 230311332341. The reversal of 230311332305 is 503233113032.

It can be written as a sum of positive squares in 8 ways, for example, as 22437343681 + 207873988624 = 149791^2 + 455932^2 .

It is not a de Polignac number, because 230311332305 - 2¹² = 230311328209 is a prime.

It is a super-2 number, since 2×230311332305² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25582805 + ... + 25591805.

It is an arithmetic number, because the mean of its divisors is an integer number (17293710693).

Almost surely, 2^230311332305 is an apocalyptic number.

It is an amenable number.

230311332305 is a deficient number, since it is larger than the sum of its proper divisors (46388038783).

230311332305 is a wasteful number, since it uses less digits than its factorization.

230311332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 230311332305 its reverse (503233113032), we get a palindrome (733544445337).

The spelling of 230311332305 in words is "two hundred thirty billion, three hundred eleven million, three hundred thirty-two thousand, three hundred five".