42031655341 has 4 divisors (see below), whose sum is σ = 45264859612. Its totient is φ = 38798451072.

The previous prime is 42031655293. The next prime is 42031655357. The reversal of 42031655341 is 14355613024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6533327241 + 35498328100 = 80829^2 + 188410^2 .

It is a cyclic number.

It is not a de Polignac number, because 42031655341 - 2⁹ = 42031654829 is a prime.

It is a super-2 number, since 2×42031655341² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42031655297 and 42031655306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031625341) 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, 1616602116 + ... + 1616602141.

It is an arithmetic number, because the mean of its divisors is an integer number (11316214903).

Almost surely, 2^42031655341 is an apocalyptic number.

It is an amenable number.

42031655341 is a deficient number, since it is larger than the sum of its proper divisors (3233204271).

42031655341 is a wasteful number, since it uses less digits than its factorization.

42031655341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233204270.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 42031655341 in words is "forty-two billion, thirty-one million, six hundred fifty-five thousand, three hundred forty-one".