31233420011 has 8 divisors (see below), whose sum is σ = 31542383664. Its totient is φ = 30925027840.

The previous prime is 31233419977. The next prime is 31233420067. The reversal of 31233420011 is 11002433213.

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 31233420011 - 2¹⁴ = 31233403627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31233420811) 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, 32606 + ... + 252051.

It is an arithmetic number, because the mean of its divisors is an integer number (3942797958).

Almost surely, 2^31233420011 is an apocalyptic number.

31233420011 is a deficient number, since it is larger than the sum of its proper divisors (308963653).

31233420011 is a wasteful number, since it uses less digits than its factorization.

31233420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285741.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31233420011 its reverse (11002433213), we get a palindrome (42235853224).

The spelling of 31233420011 in words is "thirty-one billion, two hundred thirty-three million, four hundred twenty thousand, eleven".