231212310084 has 72 divisors (see below), whose sum is σ = 692685459648. Its totient is φ = 66060658080.

The previous prime is 231212310083. The next prime is 231212310103. The reversal of 231212310084 is 480013212132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231212310083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16984107 + ... + 16997714.

It is an arithmetic number, because the mean of its divisors is an integer number (9620631384).

Almost surely, 2^231212310084 is an apocalyptic number.

It is an amenable number.

231212310084 is an abundant number, since it is smaller than the sum of its proper divisors (461473149564).

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

231212310084 is a wasteful number, since it uses less digits than its factorization.

231212310084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33981847 (or 33981833 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 231212310084 in words is "two hundred thirty-one billion, two hundred twelve million, three hundred ten thousand, eighty-four".