230031211311 has 48 divisors (see below), whose sum is σ = 374699942400. Its totient is φ = 139369721040.

The previous prime is 230031211261. The next prime is 230031211337. The reversal of 230031211311 is 113112130032.

230031211311 is a `hidden beast` number, since 2 + 30 + 0 + 312 + 11 + 311 = 666.

It is not a de Polignac number, because 230031211311 - 2⁶ = 230031211247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230031211351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12885930 + ... + 12903768.

It is an arithmetic number, because the mean of its divisors is an integer number (7806248800).

Almost surely, 2^230031211311 is an apocalyptic number.

230031211311 is a deficient number, since it is larger than the sum of its proper divisors (144668731089).

230031211311 is a wasteful number, since it uses less digits than its factorization.

230031211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21817 (or 21800 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 230031211311 its reverse (113112130032), we get a palindrome (343143341343).

The spelling of 230031211311 in words is "two hundred thirty billion, thirty-one million, two hundred eleven thousand, three hundred eleven".