30311110134 has 144 divisors (see below), whose sum is σ = 71833874112. Its totient is φ = 9229616928.

The previous prime is 30311110127. The next prime is 30311110163. The reversal of 30311110134 is 43101111303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23190709 + ... + 23192015.

It is an arithmetic number, because the mean of its divisors is an integer number (498846348).

Almost surely, 2^30311110134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30311110134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35916937056).

30311110134 is an abundant number, since it is smaller than the sum of its proper divisors (41522763978).

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

30311110134 is a wasteful number, since it uses less digits than its factorization.

30311110134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30311110134 its reverse (43101111303), we get a palindrome (73412221437).

The spelling of 30311110134 in words is "thirty billion, three hundred eleven million, one hundred ten thousand, one hundred thirty-four".