310021020212 has 48 divisors (see below), whose sum is σ = 549548571600. Its totient is φ = 153023001600.

The previous prime is 310021020209. The next prime is 310021020223. The reversal of 310021020212 is 212020120013.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 70387273636 + 239633746576 = 265306^2 + 489524^2 .

It is a super-2 number, since 2×310021020212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70505198 + ... + 70509594.

It is an arithmetic number, because the mean of its divisors is an integer number (11448928575).

Almost surely, 2^310021020212 is an apocalyptic number.

It is an amenable number.

310021020212 is a deficient number, since it is larger than the sum of its proper divisors (239527551388).

310021020212 is a wasteful number, since it uses less digits than its factorization.

310021020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 310021020212 its reverse (212020120013), we get a palindrome (522041140225).

The spelling of 310021020212 in words is "three hundred ten billion, twenty-one million, twenty thousand, two hundred twelve".