30134123144 has 32 divisors (see below), whose sum is σ = 57373327200. Its totient is φ = 14834793600.

The previous prime is 30134123137. The next prime is 30134123147. The reversal of 30134123144 is 44132143103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30134123147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155044 + ... + 1180844.

It is an arithmetic number, because the mean of its divisors is an integer number (1792916475).

Almost surely, 2^30134123144 is an apocalyptic number.

It is an amenable number.

30134123144 is a deficient number, since it is larger than the sum of its proper divisors (27239204056).

30134123144 is a wasteful number, since it uses less digits than its factorization.

30134123144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28053 (or 28049 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30134123144 its reverse (44132143103), we get a palindrome (74266266247).

The spelling of 30134123144 in words is "thirty billion, one hundred thirty-four million, one hundred twenty-three thousand, one hundred forty-four".