31233232121101 has 2 divisors, whose sum is σ = 31233232121102. Its totient is φ = 31233232121100.

The previous prime is 31233232121053. The next prime is 31233232121111. The reversal of 31233232121101 is 10112123233213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27620385360100 + 3612846761001 = 5255510^2 + 1900749^2 .

It is a cyclic number.

It is not a de Polignac number, because 31233232121101 - 2¹⁷ = 31233231990029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31233232121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616616060550 + 15616616060551.

It is an arithmetic number, because the mean of its divisors is an integer number (15616616060551).

Almost surely, 2^{31233232121101} is an apocalyptic number.

It is an amenable number.

31233232121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31233232121101 is an equidigital number, since it uses as much as digits as its factorization.

31233232121101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31233232121101 its reverse (10112123233213), we get a palindrome (41345355354314).

The spelling of 31233232121101 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred one".