10223031312 has 60 divisors (see below), whose sum is σ = 30811086124. Its totient is φ = 3145547520.

The previous prime is 10223031289. The next prime is 10223031331. The reversal of 10223031312 is 21313032201.

It can be written as a sum of positive squares in 2 ways, for example, as 4992270336 + 5230760976 = 70656^2 + 72324^2 .

It is a super-2 number, since 2×10223031312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2728639 + ... + 2732382.

Almost surely, 2^10223031312 is an apocalyptic number.

10223031312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10223031312 is an abundant number, since it is smaller than the sum of its proper divisors (20588054812).

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

10223031312 is a wasteful number, since it uses less digits than its factorization.

10223031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461048 (or 5461039 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10223031312 its reverse (21313032201), we get a palindrome (31536063513).

The spelling of 10223031312 in words is "ten billion, two hundred twenty-three million, thirty-one thousand, three hundred twelve".