231320234202 has 16 divisors (see below), whose sum is σ = 462652562592. Its totient is φ = 77104729040.

The previous prime is 231320234191. The next prime is 231320234221. The reversal of 231320234202 is 202432023132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245049 + ... + 722972.

It is an arithmetic number, because the mean of its divisors is an integer number (28915785162).

Almost surely, 2^231320234202 is an apocalyptic number.

231320234202 is an abundant number, since it is smaller than the sum of its proper divisors (231332328390).

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

231320234202 is a wasteful number, since it uses less digits than its factorization.

231320234202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007853.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231320234202 its reverse (202432023132), we get a palindrome (433752257334).

The spelling of 231320234202 in words is "two hundred thirty-one billion, three hundred twenty million, two hundred thirty-four thousand, two hundred two".