30213031134 has 64 divisors (see below), whose sum is σ = 71069160960. Its totient is φ = 8441781120.

The previous prime is 30213031087. The next prime is 30213031153. The reversal of 30213031134 is 43113031203.

It is a self number, because there is not a number n which added to its sum of digits gives 30213031134.

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 31 ways as a sum of consecutive naturals, for example, 769344 + ... + 807660.

It is an arithmetic number, because the mean of its divisors is an integer number (1110455640).

Almost surely, 2^30213031134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30213031134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35534580480).

30213031134 is an abundant number, since it is smaller than the sum of its proper divisors (40856129826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30213031134 is a wasteful number, since it uses less digits than its factorization.

30213031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39265.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30213031134 its reverse (43113031203), we get a palindrome (73326062337).

The spelling of 30213031134 in words is "thirty billion, two hundred thirteen million, thirty-one thousand, one hundred thirty-four".