42031063202 has 4 divisors (see below), whose sum is σ = 63046594806. Its totient is φ = 21015531600.

The previous prime is 42031063183. The next prime is 42031063267. The reversal of 42031063202 is 20236013024.

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., 33627857641 + 8403205561 = 183379^2 + 91669^2 .

It is a super-2 number, since 2×42031063202² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10507765799 + ... + 10507765802.

Almost surely, 2^42031063202 is an apocalyptic number.

42031063202 is a deficient number, since it is larger than the sum of its proper divisors (21015531604).

42031063202 is a wasteful number, since it uses less digits than its factorization.

42031063202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015531603.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42031063202 its reverse (20236013024), we get a palindrome (62267076226).

The spelling of 42031063202 in words is "forty-two billion, thirty-one million, sixty-three thousand, two hundred two".