31234240011012 has 24 divisors (see below), whose sum is σ = 74074645710912. Its totient is φ = 10240734429600.

The previous prime is 31234240011011. The next prime is 31234240011043. The reversal of 31234240011012 is 21011004243213.

It is not an unprimeable number, because it can be changed into a prime (31234240011011) 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, 21334862664 + ... + 21334864127.

It is an arithmetic number, because the mean of its divisors is an integer number (3086443571288).

Almost surely, 2^{31234240011012} is an apocalyptic number.

It is an amenable number.

31234240011012 is an abundant number, since it is smaller than the sum of its proper divisors (42840405699900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31234240011012 is a wasteful number, since it uses less digits than its factorization.

31234240011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42669726859 (or 42669726857 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31234240011012 its reverse (21011004243213), we get a palindrome (52245244254225).

The spelling of 31234240011012 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred forty million, eleven thousand, twelve".