42311310142103 has 4 divisors (see below), whose sum is σ = 42699487299480. Its totient is φ = 41923132984728.

The previous prime is 42311310142069. The next prime is 42311310142111. The reversal of 42311310142103 is 30124101311324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42311310142103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311310142193) 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, 194088578525 + ... + 194088578742.

It is an arithmetic number, because the mean of its divisors is an integer number (10674871824870).

Almost surely, 2^{42311310142103} is an apocalyptic number.

42311310142103 is a deficient number, since it is larger than the sum of its proper divisors (388177157377).

42311310142103 is a wasteful number, since it uses less digits than its factorization.

42311310142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388177157376.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 42311310142103 its reverse (30124101311324), we get a palindrome (72435411453427).

The spelling of 42311310142103 in words is "forty-two trillion, three hundred eleven billion, three hundred ten million, one hundred forty-two thousand, one hundred three".