31321230332111 has 8 divisors (see below), whose sum is σ = 31955144438784. Its totient is φ = 30692211315480.

The previous prime is 31321230332083. The next prime is 31321230332113. The reversal of 31321230332111 is 11123303212313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31321230332111 - 2¹⁸ = 31321230069967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321230332113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223759585 + ... + 1223785178.

It is an arithmetic number, because the mean of its divisors is an integer number (3994393054848).

Almost surely, 2^{31321230332111} is an apocalyptic number.

31321230332111 is a deficient number, since it is larger than the sum of its proper divisors (633914106673).

31321230332111 is a wasteful number, since it uses less digits than its factorization.

31321230332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447545021.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31321230332111 its reverse (11123303212313), we get a palindrome (42444533544424).

The spelling of 31321230332111 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred thirty million, three hundred thirty-two thousand, one hundred eleven".