30213031131 has 16 divisors (see below), whose sum is σ = 44972187520. Its totient is φ = 20046557160.

The previous prime is 30213031087. The next prime is 30213031153. The reversal of 30213031131 is 13113031203.

It is a happy number.

It is not a de Polignac number, because 30213031131 - 2⁹ = 30213030619 is a prime.

It is a super-2 number, since 2×30213031131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213031181) by changing a digit.

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, 2645965 + ... + 2657358.

It is an arithmetic number, because the mean of its divisors is an integer number (2810761720).

Almost surely, 2^30213031131 is an apocalyptic number.

30213031131 is a deficient number, since it is larger than the sum of its proper divisors (14759156389).

30213031131 is a wasteful number, since it uses less digits than its factorization.

30213031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303543 (or 5303537 counting only the distinct ones).

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

Adding to 30213031131 its reverse (13113031203), we get a palindrome (43326062334).

The spelling of 30213031131 in words is "thirty billion, two hundred thirteen million, thirty-one thousand, one hundred thirty-one".