31103330233130 has 16 divisors (see below), whose sum is σ = 55994913760680. Its totient is φ = 12439350017472.

The previous prime is 31103330233121. The next prime is 31103330233139. The reversal of 31103330233130 is 3133203330113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31103330233121) and next prime (31103330233139).

It can be written as a sum of positive squares in 4 ways, for example, as 31100932466041 + 2397767089 = 5576821^2 + 48967^2 .

It is a super-2 number, since 2×31103330233130² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31103330233130.

It is not an unprimeable number, because it can be changed into a prime (31103330233139) 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, 247693565 + ... + 247819104.

Almost surely, 2^{31103330233130} is an apocalyptic number.

31103330233130 is a deficient number, since it is larger than the sum of its proper divisors (24891583527550).

31103330233130 is a wasteful number, since it uses less digits than its factorization.

31103330233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495518953.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 31103330233130 its reverse (3133203330113), we get a palindrome (34236533563243).

The spelling of 31103330233130 in words is "thirty-one trillion, one hundred three billion, three hundred thirty million, two hundred thirty-three thousand, one hundred thirty".