230231202311 has 4 divisors (see below), whose sum is σ = 251161311624. Its totient is φ = 209301093000.

The previous prime is 230231202277. The next prime is 230231202323. The reversal of 230231202311 is 113202132032.

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 230231202311 - 2⁶ = 230231202247 is a prime.

It is a super-2 number, since 2×230231202311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231201311) 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, 10465054640 + ... + 10465054661.

It is an arithmetic number, because the mean of its divisors is an integer number (62790327906).

Almost surely, 2^230231202311 is an apocalyptic number.

230231202311 is a deficient number, since it is larger than the sum of its proper divisors (20930109313).

230231202311 is a wasteful number, since it uses less digits than its factorization.

230231202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20930109312.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 230231202311 its reverse (113202132032), we get a palindrome (343433334343).

The spelling of 230231202311 in words is "two hundred thirty billion, two hundred thirty-one million, two hundred two thousand, three hundred eleven".