42103431321202 has 4 divisors (see below), whose sum is σ = 63155146981806. Its totient is φ = 21051715660600.

The previous prime is 42103431321143. The next prime is 42103431321223. The reversal of 42103431321202 is 20212313430124.

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

It can be written as a sum of positive squares in only one way, i.e., 36634947287761 + 5468484033441 = 6052681^2 + 2338479^2 .

It is a super-3 number, since 3×42103431321202³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10525857830299 + ... + 10525857830302.

Almost surely, 2^{42103431321202} is an apocalyptic number.

42103431321202 is a deficient number, since it is larger than the sum of its proper divisors (21051715660604).

42103431321202 is a wasteful number, since it uses less digits than its factorization.

42103431321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051715660603.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42103431321202 its reverse (20212313430124), we get a palindrome (62315744751326).

The spelling of 42103431321202 in words is "forty-two trillion, one hundred three billion, four hundred thirty-one million, three hundred twenty-one thousand, two hundred two".