30101142 has 8 divisors (see below), whose sum is σ = 60202296. Its totient is φ = 10033712.

The previous prime is 30101107. The next prime is 30101147. The reversal of 30101142 is 24110103.

It is a happy number.

30101142 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

30101142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508423 + ... + 2508434.

It is an arithmetic number, because the mean of its divisors is an integer number (7525287).

Almost surely, 2^30101142 is an apocalyptic number.

30101142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30101142 is a wasteful number, since it uses less digits than its factorization.

30101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016862.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30101142 is about 5486.4507652944. The cubic root of 30101142 is about 311.0720496972.

Adding to 30101142 its reverse (24110103), we get a palindrome (54211245).

The spelling of 30101142 in words is "thirty million, one hundred one thousand, one hundred forty-two".