231302223102 has 32 divisors (see below), whose sum is σ = 465726691584. Its totient is φ = 76580496000.

The previous prime is 231302223101. The next prime is 231302223109. The reversal of 231302223102 is 201322203132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302223101) 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, 12965913 + ... + 12983739.

It is an arithmetic number, because the mean of its divisors is an integer number (14553959112).

Almost surely, 2^231302223102 is an apocalyptic number.

231302223102 is an abundant number, since it is smaller than the sum of its proper divisors (234424468482).

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

231302223102 is a wasteful number, since it uses less digits than its factorization.

231302223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32304.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231302223102 its reverse (201322203132), we get a palindrome (432624426234).

The spelling of 231302223102 in words is "two hundred thirty-one billion, three hundred two million, two hundred twenty-three thousand, one hundred two".