10031231022 has 48 divisors (see below), whose sum is σ = 21088958592. Its totient is φ = 3180149280.

The previous prime is 10031230999. The next prime is 10031231033. The reversal of 10031231022 is 22013213001.

It is a junction number, because it is equal to n+sod(n) for n = 10031230992 and 10031231010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323247 + ... + 352917.

It is an arithmetic number, because the mean of its divisors is an integer number (439353304).

Almost surely, 2^10031231022 is an apocalyptic number.

10031231022 is an abundant number, since it is smaller than the sum of its proper divisors (11057727570).

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

10031231022 is a wasteful number, since it uses less digits than its factorization.

10031231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29801 (or 29772 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10031231022 its reverse (22013213001), we get a palindrome (32044444023).

The spelling of 10031231022 in words is "ten billion, thirty-one million, two hundred thirty-one thousand, twenty-two".