231132223022 has 16 divisors (see below), whose sum is σ = 357896092032. Its totient is φ = 111833816160.

The previous prime is 231132222983. The next prime is 231132223027. The reversal of 231132223022 is 220322231132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132223027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009708 + ... + 2121600.

It is an arithmetic number, because the mean of its divisors is an integer number (22368505752).

Almost surely, 2^231132223022 is an apocalyptic number.

231132223022 is a deficient number, since it is larger than the sum of its proper divisors (126763869010).

231132223022 is a wasteful number, since it uses less digits than its factorization.

231132223022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145243.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231132223022 its reverse (220322231132), we get a palindrome (451454454154).

The spelling of 231132223022 in words is "two hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-three thousand, twenty-two".