231122213202 has 32 divisors (see below), whose sum is σ = 489611240064. Its totient is φ = 72482860800.

The previous prime is 231122213131. The next prime is 231122213207. The reversal of 231122213202 is 202312221132.

It is not an unprimeable number, because it can be changed into a prime (231122213207) 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, 121249 + ... + 690612.

It is an arithmetic number, because the mean of its divisors is an integer number (15300351252).

Almost surely, 2^231122213202 is an apocalyptic number.

231122213202 is an abundant number, since it is smaller than the sum of its proper divisors (258489026862).

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

231122213202 is a wasteful number, since it uses less digits than its factorization.

231122213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814674.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231122213202 its reverse (202312221132), we get a palindrome (433434434334).

The spelling of 231122213202 in words is "two hundred thirty-one billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred two".