30142140234 has 16 divisors (see below), whose sum is σ = 62363049120. Its totient is φ = 9700918640.

The previous prime is 30142140229. The next prime is 30142140239. The reversal of 30142140234 is 43204124103.

It is an interprime number because it is at equal distance from previous prime (30142140229) and next prime (30142140239).

It is a super-2 number, since 2×30142140234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30142140239) 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, 86615172 + ... + 86615519.

It is an arithmetic number, because the mean of its divisors is an integer number (3897690570).

Almost surely, 2^30142140234 is an apocalyptic number.

30142140234 is an abundant number, since it is smaller than the sum of its proper divisors (32220908886).

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

30142140234 is a wasteful number, since it uses less digits than its factorization.

30142140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173230725.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30142140234 its reverse (43204124103), we get a palindrome (73346264337).

The spelling of 30142140234 in words is "thirty billion, one hundred forty-two million, one hundred forty thousand, two hundred thirty-four".