231111320411044 has 12 divisors (see below), whose sum is σ = 411299807511600. Its totient is φ = 113597089693448.

The previous prime is 231111320411033. The next prime is 231111320411051. The reversal of 231111320411044 is 440114023111132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489642627754 + ... + 489642628225.

It is an arithmetic number, because the mean of its divisors is an integer number (34274983959300).

Almost surely, 2^{231111320411044} is an apocalyptic number.

It is an amenable number.

231111320411044 is a deficient number, since it is larger than the sum of its proper divisors (180188487100556).

231111320411044 is a wasteful number, since it uses less digits than its factorization.

231111320411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979285256042 (or 979285256040 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 231111320411044 its reverse (440114023111132), we get a palindrome (671225343522176).

The spelling of 231111320411044 in words is "two hundred thirty-one trillion, one hundred eleven billion, three hundred twenty million, four hundred eleven thousand, forty-four".