223031002312 has 16 divisors (see below), whose sum is σ = 419304269340. Its totient is φ = 111216530496.

The previous prime is 223031002303. The next prime is 223031002321. The reversal of 223031002312 is 213200130322.

It is an interprime number because it is at equal distance from previous prime (223031002303) and next prime (223031002321).

It can be written as a sum of positive squares in 2 ways, for example, as 198767955556 + 24263046756 = 445834^2 + 155766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 223031002312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37368163 + ... + 37374130.

Almost surely, 2^223031002312 is an apocalyptic number.

It is an amenable number.

223031002312 is a deficient number, since it is larger than the sum of its proper divisors (196273267028).

223031002312 is a wasteful number, since it uses less digits than its factorization.

223031002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74742672 (or 74742668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 223031002312 its reverse (213200130322), we get a palindrome (436231132634).

The spelling of 223031002312 in words is "two hundred twenty-three billion, thirty-one million, two thousand, three hundred twelve".