31233221140011 has 16 divisors (see below), whose sum is σ = 46895628223488. Its totient is φ = 18318604773600.

The previous prime is 31233221139977. The next prime is 31233221140013. The reversal of 31233221140011 is 11004112233213.

It is not a de Polignac number, because 31233221140011 - 2⁹ = 31233221139499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31233221140013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15265502956 + ... + 15265505001.

It is an arithmetic number, because the mean of its divisors is an integer number (2930976763968).

Almost surely, 2^{31233221140011} is an apocalyptic number.

31233221140011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31233221140011 is a deficient number, since it is larger than the sum of its proper divisors (15662407083477).

31233221140011 is a wasteful number, since it uses less digits than its factorization.

31233221140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30531008002.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31233221140011 its reverse (11004112233213), we get a palindrome (42237333373224).

The spelling of 31233221140011 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred twenty-one million, one hundred forty thousand, eleven".