101431142 has 8 divisors (see below), whose sum is σ = 152571600. Its totient is φ = 50573944.

The previous prime is 101431117. The next prime is 101431153. The reversal of 101431142 is 241134101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101431142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69917 + ... + 71352.

It is an arithmetic number, because the mean of its divisors is an integer number (19071450).

Almost surely, 2^101431142 is an apocalyptic number.

101431142 is a deficient number, since it is larger than the sum of its proper divisors (51140458).

101431142 is a wasteful number, since it uses less digits than its factorization.

101431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141630.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101431142 is about 10071.3028948592. The cubic root of 101431142 is about 466.3626610717.

Adding to 101431142 its reverse (241134101), we get a palindrome (342565243).

The spelling of 101431142 in words is "one hundred one million, four hundred thirty-one thousand, one hundred forty-two".