42103144351 has 4 divisors (see below), whose sum is σ = 42321295552. Its totient is φ = 41884993152.

The previous prime is 42103144331. The next prime is 42103144393. The reversal of 42103144351 is 15344130124.

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

It is a cyclic number.

It is not a de Polignac number, because 42103144351 - 2¹⁷ = 42103013279 is a prime.

It is a super-2 number, since 2×42103144351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103144331) 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, 109075311 + ... + 109075696.

It is an arithmetic number, because the mean of its divisors is an integer number (10580323888).

Almost surely, 2^42103144351 is an apocalyptic number.

42103144351 is a deficient number, since it is larger than the sum of its proper divisors (218151201).

42103144351 is a wasteful number, since it uses less digits than its factorization.

42103144351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218151200.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 42103144351 its reverse (15344130124), we get a palindrome (57447274475).

The spelling of 42103144351 in words is "forty-two billion, one hundred three million, one hundred forty-four thousand, three hundred fifty-one".