42031655306 has 8 divisors (see below), whose sum is σ = 63149668740. Its totient is φ = 20981765728.

The previous prime is 42031655293. The next prime is 42031655357. The reversal of 42031655306 is 60355613024.

It can be written as a sum of positive squares in 2 ways, for example, as 25107987025 + 16923668281 = 158455^2 + 130091^2 .

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

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, 17029421 + ... + 17031888.

Almost surely, 2^42031655306 is an apocalyptic number.

42031655306 is a deficient number, since it is larger than the sum of its proper divisors (21118013434).

42031655306 is a wasteful number, since it uses less digits than its factorization.

42031655306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34061928.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 42031655306 in words is "forty-two billion, thirty-one million, six hundred fifty-five thousand, three hundred six".