231020301022 has 16 divisors (see below), whose sum is σ = 413253706752. Its totient is φ = 94703974200.

The previous prime is 231020301011. The next prime is 231020301037. The reversal of 231020301022 is 220103020132.

It is a junction number, because it is equal to n+sod(n) for n = 231020300987 and 231020301005.

It is a congruent number.

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, 358726854 + ... + 358727497.

It is an arithmetic number, because the mean of its divisors is an integer number (25828356672).

Almost surely, 2^231020301022 is an apocalyptic number.

231020301022 is a deficient number, since it is larger than the sum of its proper divisors (182233405730).

231020301022 is a wasteful number, since it uses less digits than its factorization.

231020301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717454383.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231020301022 its reverse (220103020132), we get a palindrome (451123321154).

The spelling of 231020301022 in words is "two hundred thirty-one billion, twenty million, three hundred one thousand, twenty-two".