101030031142 has 4 divisors (see below), whose sum is σ = 151545046716. Its totient is φ = 50515015570.

The previous prime is 101030031139. The next prime is 101030031209. The reversal of 101030031142 is 241130030101.

101030031142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241130030101 = 2447 ⋅98541083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257507784 + ... + 25257507787.

It is an arithmetic number, because the mean of its divisors is an integer number (37886261679).

Almost surely, 2^101030031142 is an apocalyptic number.

101030031142 is a deficient number, since it is larger than the sum of its proper divisors (50515015574).

101030031142 is an equidigital number, since it uses as much as digits as its factorization.

101030031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50515015573.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101030031142 its reverse (241130030101), we get a palindrome (342160061243).

The spelling of 101030031142 in words is "one hundred one billion, thirty million, thirty-one thousand, one hundred forty-two".