42141331 has 4 divisors (see below), whose sum is σ = 42169792. Its totient is φ = 42112872.

The previous prime is 42141299. The next prime is 42141347. The reversal of 42141331 is 13314124.

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 42141331 - 2⁵ = 42141299 is a prime.

It is a super-2 number, since 2×42141331² = 3551783556903122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42141299 and 42141308.

It is not an unprimeable number, because it can be changed into a prime (42144331) 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, 11880 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (10542448).

Almost surely, 2^42141331 is an apocalyptic number.

42141331 is a deficient number, since it is larger than the sum of its proper divisors (28461).

42141331 is a wasteful number, since it uses less digits than its factorization.

42141331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460.

The product of its digits is 288, while the sum is 19.

The square root of 42141331 is about 6491.6354641954. The cubic root of 42141331 is about 347.9921250475.

Adding to 42141331 its reverse (13314124), we get a palindrome (55455455).

The spelling of 42141331 in words is "forty-two million, one hundred forty-one thousand, three hundred thirty-one".