31233230031011 has 8 divisors (see below), whose sum is σ = 31496691116880. Its totient is φ = 30970757542912.

The previous prime is 31233230031007. The next prime is 31233230031013. The reversal of 31233230031011 is 11013003233213.

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 31233230031011 - 2² = 31233230031007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31233230031013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247085990 + ... + 247212363.

It is an arithmetic number, because the mean of its divisors is an integer number (3937086389610).

Almost surely, 2^{31233230031011} is an apocalyptic number.

31233230031011 is a deficient number, since it is larger than the sum of its proper divisors (263461085869).

31233230031011 is a wasteful number, since it uses less digits than its factorization.

31233230031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494298885.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31233230031011 its reverse (11013003233213), we get a palindrome (42246233264224).

The spelling of 31233230031011 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred thirty million, thirty-one thousand, eleven".