31100003130212 has 12 divisors (see below), whose sum is σ = 57626476388460. Its totient is φ = 14635295590656.

The previous prime is 31100003130169. The next prime is 31100003130319. The reversal of 31100003130212 is 21203130000113.

It can be written as a sum of positive squares in 2 ways, for example, as 28472212996096 + 2627790134116 = 5335936^2 + 1621046^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228676493537 + ... + 228676493672.

It is an arithmetic number, because the mean of its divisors is an integer number (4802206365705).

Almost surely, 2^{31100003130212} is an apocalyptic number.

It is an amenable number.

31100003130212 is a deficient number, since it is larger than the sum of its proper divisors (26526473258248).

31100003130212 is a wasteful number, since it uses less digits than its factorization.

31100003130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457352987230 (or 457352987228 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31100003130212 its reverse (21203130000113), we get a palindrome (52303133130325).

The spelling of 31100003130212 in words is "thirty-one trillion, one hundred billion, three million, one hundred thirty thousand, two hundred twelve".