231331322010 has 64 divisors (see below), whose sum is σ = 576900440064. Its totient is φ = 59303016000.

The previous prime is 231331321997. The next prime is 231331322017. The reversal of 231331322010 is 10223133132.

It is not an unprimeable number, because it can be changed into a prime (231331322017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683224 + ... + 964083.

It is an arithmetic number, because the mean of its divisors is an integer number (9014069376).

Almost surely, 2^231331322010 is an apocalyptic number.

231331322010 is an abundant number, since it is smaller than the sum of its proper divisors (345569118054).

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

231331322010 is a wasteful number, since it uses less digits than its factorization.

231331322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647499.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231331322010 its reverse (10223133132), we get a palindrome (241554455142).

The spelling of 231331322010 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, ten".