30211031313 has 48 divisors (see below), whose sum is σ = 46548150480. Its totient is φ = 18815680512.

The previous prime is 30211031303. The next prime is 30211031317. The reversal of 30211031313 is 31313011203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3266465409 + 26944565904 = 57153^2 + 164148^2 .

It is not a de Polignac number, because 30211031313 - 2⁵ = 30211031281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30211031317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18100443 + ... + 18102111.

It is an arithmetic number, because the mean of its divisors is an integer number (969753135).

Almost surely, 2^30211031313 is an apocalyptic number.

It is an amenable number.

30211031313 is a deficient number, since it is larger than the sum of its proper divisors (16337119167).

30211031313 is a wasteful number, since it uses less digits than its factorization.

30211031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30211031313 its reverse (31313011203), we get a palindrome (61524042516).

The spelling of 30211031313 in words is "thirty billion, two hundred eleven million, thirty-one thousand, three hundred thirteen".