30142100 has 36 divisors (see below), whose sum is σ = 65662464. Its totient is φ = 12010080.

The previous prime is 30142061. The next prime is 30142103. The reversal of 30142100 is 124103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37907 + ... + 38693.

Almost surely, 2^30142100 is an apocalyptic number.

It is an amenable number.

30142100 is an abundant number, since it is smaller than the sum of its proper divisors (35520364).

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

30142100 is a wasteful number, since it uses less digits than its factorization.

30142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30142100 is about 5490.1821463409. The cubic root of 30142100 is about 311.2130755163.

Adding to 30142100 its reverse (124103), we get a palindrome (30266203).

The spelling of 30142100 in words is "thirty million, one hundred forty-two thousand, one hundred".